Is There an A.I. Bubble? A Debate.

The gargantuan bet on the future of A. I. is driving the U. S. stock market and economic growth. And the building of data centers is sucking up so many construction resources, it’s crowding out the construction of homes. The multitrillion-dollar question is: Will this bet pay off? Or is it a bubble, destined to burst and pull the economy down with it? Paul Kedrosky is a partner at SK Ventures, a fellow at M. I. T., and the author of a newsletter about A. I.. He thinks we’re very obviously in a bubble. Azeem Azhar is a technology entrepreneur and the author of the newsletter Exponential View. He has a more optimistic take. (The New York Times has sued OpenAI and Microsoft claiming copyright infringement. The companies have denied those claims.)

• 0:00Speaker 00

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• 0:42Speaker 01

  Right now, AI is the driving force behind the gains in the US stock market, behind US economic growth. It is sucking up so many construction resources it now appears to be crowding out. Housing, manufacturing facilities, basically everything else you might need to build. And the question, even just from a financial perspective, is, is this all worth it? Is all of this investment going to pay off? Or is AI a bubble? And one of these companies is going to miss an earnings target or get downgraded, and the whole thing is going to pop, taking all of our retirement portfolios with it. So I wanted to have two different perspectives on this. Dr. Paul Kudrowski is a partner at the venture capital firm, SK Ventures. He's a fellow at MIT's Initiative on the Digital Economy.

• 1:24Speaker 01

  His popular newsletter at paulkudrowski.com, and he's been very vocal that he thinks we are in an AI bubble. Azeem Azhar is a British technology entrepreneur, an author and an analyst. He is a creator of The Exponential View, which is both a great Substack that I read often, and a research platform where, among other things, they have been creating these dashboards, tracking whether or not there's financial stress in the AI industry. And his view is somewhat more optimistic, I think it is fair to say, than Paul's. So I want to put the two of them into conversation together to try to see why you might think and why you might not think we are in an AI bubble.

• 2:04Speaker 01

  Paul Kudrowski, Azeem Azhar, welcome to the show.

• 2:07Speaker 02

  Hey, Azar, good to be here. It's great to be here. Thanks.

• 2:10Speaker 01

  Paul, make the case to me, this is a bubble. I mean, that's a big, it's a big claim, right? You're saying that all these investors, all this money pouring in, all of these sophisticated analysts at BlackRock and Goldman and wherever, and you know, the hyperscalers like Google and Meta, that they're all getting this wrong on some level, and you're not. So why do you think it's a bubble and they're all idiots?

• 2:33Speaker 03

  Well, I wouldn't go quite as far as they're all idiots. So it may be true, though. I'll just, I'll step back on that one. So what's unusual about this, let's just talk about really quickly what a bubble is. A bubble is whenever asset prices detach from any semblance of economic reality. We have one of the largest capex, competitive capex spending waves in history. So in Western economic history, there've been like eight or nine of these moments where we build out some giant general-purpose technology, a GPT, not the chat GPT kind, but a general-purpose technology. And so, and we're building it out like we were the railroads, like we were electrification, like we were the canals, like we were the interstate highways. And every one of those moments has led to overbuild.

• 3:18Speaker 03

  There isn't a major economic capex episode in Western economic history that didn't end in a rolling series of crises, vastly inflated asset prices, and vast oversupply of capacity of whatever the thing was, right? Railroads, fiber, take your pick. And so that's the bubble. The bubble is, once again, we're vastly oversupplying something because of the availability of capital and the eagerness of the suppliers of the capital to continue building out in anticipation of future demand. Now, none of this is to say that like AI is frivolous, or it doesn't work, or that there aren't incredibly useful cases for it. That's not the point any more than that was the point for railroads, right? Railroads are incredibly, still ended up where something like 50% of the track miles

• 4:03Speaker 03

  ever laid turned out to be useless, right? So the bubble is this vast oversupply of something largely fueled now by credit, which in turn will lead to massive business failures and write-down of assets. And all of that credit has spread through the economy. It's inside of insurers, inside of private credit, it's inside of sovereign wealth funds, and we're on the order of, you know, trillions of dollars now, and it's probably going to hit 10 trillion before it's done. So this, all of this investment is at risk, and it's across the entire economy and sitting inside of all kinds of, but it's even sitting inside of, you know, your individual, you know, your 401Ks, right? I mean, we've all seen the data that something like the top 10 stocks in the S and P 500 are now like 40% of the market capitalization of the index.

• 4:46Speaker 03

  So if you're holding an S and P 500 index, my friend, you are very, very long AI, right?

• 4:51Speaker 01

  Get out of my portfolio, Paul.

• 4:53Speaker 03

  Yeah, get that crap out of my portfolio. So you're very, very long AI. And this is the problem, is the expression you hear all the time, it's a one-factor world. There's, everything is leveraged to AI across every asset class, across all the retail investing. And then the last stat I'll give you, and the reason why that matters, is we're at record percentages in terms of the percentage of people's net worth that are tied to equity. 50% of people's net worth is now in equities. So follow that math through. 50% of net worth is in equities, and that's driven by the AI trade. People are even more over-leveraged to the single trade than they ever were to dot-coms. And that creates this incredible fragility.

• 5:33Speaker 03

  So all of this, this sort of nexus of factors is what creates this bubblish moment, which has nothing to do with whether or not AI is useful, but has everything to do with why the other side of this will see, you know, a rolling series of crises that could potentially become really catastrophic.

• 5:49Speaker 01

  I do, I want to focus for a minute on the rationality of the core players, your Metas, your Alphabets, your OpenAIs and Anthropics, all of whom believe that there's only going to be a couple AI winners. I mean, Zuckerberg gave this amazing quote where he said, "If we end up misspending a couple hundred billion dollars, that would be unfortunate, but the risk of not acting aggressively enough is considerably higher." And so there is this dynamic where I think they believe this is going to be a highly concentrated or oligopolistic market, where maybe it's one model that rules them all, or three models that rule them all. And so there is this race to be one of the three, but that creates a kind of pressure

• 6:33Speaker 01

  to invest way beyond what the market can collectively sustain.

• 6:39Speaker 03

  Right. That's the classic competitive dynamic that's existed in every one of these capex buildouts. It existed with the railroads. You could not afford to be left behind. You had to invest in it. And that's why we ended up with a duplicate routes between cities. I mean, that's what, that's the essence of the competitive dynamic crossed with a kind of, you know, prisoner's dilemma, that I would like to slow down, but I can't because no one else will. And so we have to, we all continue on with this frantic competitive dynamic. And so that's what we're seeing incarnate there. And we see that even whenever, I don't know, a couple of weeks ago, Dario Emade at Anthropic was suggesting that we need to, and this is a ridiculous expression, but we need to pace the frontier, which sounds vaguely like we're training for the Boston Marathon. But it's this idea that we need to slow down.

• 7:21Speaker 03

  Well, of course, everyone in a classic prisoner's dilemma thing said, "Go for it. You slow down. I'm not slowing down." And even worse, they said, even if we all agree here in the US frontier companies to slow down, China won't. And then you get into this terrible discussion, well, the what-aboutery with respect to what China will do. And so this is the problem, is there's a race dynamic that's been created, that if you stop, there's a fear that either my competitors will gain an advantage, or my shareholders will punish me. And so as a result, the race dynamic continues, and that's what guarantees the overbuild. As long as you have a supply of capital and a race dynamic, you're guaranteed overcapacity, much like whether it's canals, railroads, electrification, take your pick.

• 8:01Speaker 01

  Azeem, you and your team over the past year, year and a half, have been building out this dashboard, trying to track how much stress there is in the AI industry financially, trying to think through what it looks like for this to be on a healthy financial path and what it looks like to be a bubble. So why don't you walk me through sort of your perspective, the indicators you watch most closely, and why you're a little bit more optimistic right now than Paul is?

• 8:28Speaker 02

  Well, Azar, when we're looking at a technology boom, a technology cycle, we've got to keep into consideration two different things. The first is, are customers finding it useful? Are they paying for it? Are they increasingly paying for it? In other words, is demand real and is demand there? And when you look back at bubbles that burst, it is always, almost always connected to a problem in the financing mechanism, the refinancing of a shorter-term debt. It runs into a problem, and the capital goes away, and you see that all of the things that we associate with bubbles. The question is, where are we today? And where we are today is that demand is very strong from American and global enterprises.

• 9:13Speaker 02

  There is not an overbuild yet. There is vast, vast undersupply of the compute needed for AI. And the race seems to be, can we get enough chips and power enough chips over the next two or three years to keep up with the demand? And on the financing side, we are certainly moving off the cash that the hyperscalers have earned over the last 20 years or so, and we're bringing debt on board. But it's not yet at the levels at which you would say this is a historically high and complex position. So for me today, it's, you know, it's in that productive boom with the hints of maybe getting, forgive my French, a little bit stinky.

• 9:53Speaker 01

  So I want to focus on this supply versus demand, right? At this very simple level. What Paul's basically saying is that there is a strong incentive to build too much supply. And what you are saying is that there's actually plenty of demand. So I want to decompose what we mean when we talk about demand. So this is demand for AI usage, which is tokens, which, again, for people who are not as used to this, are, you know, when you ask a question, the AI model is consuming tokens to answer it. When you ask the AI coder to code you a program, it is consuming tokens to code the program. And so functionally, what is happening with a company like OpenAI or Anthropic is people are buying token use from them, right?

• 10:38Speaker 01

  They don't sell you Claude, they sell you tokens at the high levels. So that's the reason tokens are an important concept here. And so there's first this question of how many tokens are people going to want? And how strong is the demand for tokens going to be? And then there is a secondary question of how much will they pay for them? Because the price per token is plummeting. So there's this question of, even if there is a lot of demand, is it going to be demand for the kinds of very expensive models that the American companies are investing in or not? So I'd like you to walk me through how that demand picture looks to you.

• 11:14Speaker 02

  Well, we have to start a layer below the tokens. The asset we're investing in is data centers, 65% of the cost of which is the chip, the GPU or the AI accelerator. So what I think is important to look at is what is the demand for those chips to do the computing that in some cases, most cases produces tokens? And who are the customers of those GPUs? And when we, when we look at this, we see these hyperscalers, Amazon and Microsoft and Google, and then new labs called Neo Cloud. These people buy billions of these GPUs. They put them together in data centers that now will start to cost billions of dollars.

• 11:58Speaker 02

  And they rent those GPUs out. And the thing that I spend a lot of time thinking about is, is that capital expenditure on the actual productive asset turning into revenue with just enough of return on investment to, to pay itself? And right now, the reason we know we're in a compute constrained environment is because people are making extremely good returns in 18 to 24 months on, on an asset because they're able to charge essentially Uber surge pricing for their, for their GPUs. And about 50% of their revenues go to the two big AI companies, Anthropic and, and OpenAI for their spending.

• 12:39Speaker 02

  The other 50% is a mix of other AI companies and firms, companies directly running those open source models that you alluded to or open weight models on the hyperscalers infrastructure. And then I think we get to your, your other question, which is, well, if 100, if 50% of this is coming from Anthropic and OpenAI, what of that is actually real customer spending? And what I'd say is, if this, if those ratios stayed the same for the next three or four years, we'd very much be in a world where, you know, this is someone effectively paying themselves around the, around the back door. But what has been happening is that that ratio has been declining because essentially the hyperscalers are getting more and more business from real customers.

• 13:20Speaker 02

  And all, all of that for me is a sign of a market that is maturing week after week, quarter after quarter.

• 13:26Speaker 01

  Paul, what do you, how do you see that differently?

• 13:30Speaker 03

  I hardly know where to start. So let me just start, like a lot of the discussion, and I use that word advisedly, with respect to how people talk about this stuff reminds me of that old joke about like, my mother comes downstairs in the morning and finds her daughter under the Christmas tree and there's a giant pile of horse manure and the daughter's digging in the pile of horse manure and the mother's like, but what are you doing? What are you looking? Well, this giant pile of horse manure, there must be a pony in here somewhere. And it's, for me, a lot of this discussion about giant scale with respect to tokens is a lot like this digging in a pile of manure because there must be a pony in there somewhere. Because it's this, this confusion of scale, massive volume of tokens with value. So I'll take Azeem's point with respect to this prodigious use of tokens. Tokens alone don't matter, right?

• 14:15Speaker 03

  It's this pile of manure under the Christmas tree. What matters is tokens times price. And you, you, you mentioned this earlier, that we're seeing over the last few years, roughly a 13 fold annual decrease in the price of tokens. Now, that's performance adjusted. So the answer of the frontier model companies will be, it's a, hey, hey, hey, hey, sure, the old models are falling like that, but not the new models. The new models are the ones that can break into banks. Those ones are still much more expensive. So, so those are holding on to their value. But the problem is, of course, for most people, for most of what they do, they don't need the much more expensive models. And as a matter of fact, most normals, most normal people get by perfectly adequately on relatively low performance models.

• 14:56Speaker 03

  A good example is this incredible uptake in Meta's Muse product, which has dominated the app charts and everything else, which uses a relatively primitive model. It's not using a leading edge model and nobody cares. It just works perfectly fine for what most people want to do, which let's me sort of take it back to the beginning. One of the reasons why people really mischaracterize this entire market, and this is like an old venture capital kind of adage is never confuse your early customers for what the real market will look like. An awful lot of what's happened with frontier models is people confusing the early customers of frontier models for what you and I want. So who were the early customers of AI models, right? Who, who really drove this? Coders, right?

• 15:39Speaker 03

  Something like 80% of the token usage and the revenues from the largest day, the largest frontier model companies are coders, are developers. And developers are really idiosyncratic for at least two reasons. Why? One, they want the leading edge models, right? They're willing to pay up for them because they have really complicated problems. Two, they are, what I like to think of as kind of expansive in terms of their token usage, meaning that I enter a small prompt and say, you know, bro, build me a fitness app. And all of a sudden, seven words turns into a million lines of code. That's not anything like what you and I do for the most part. A lot of what normal people and normal businesses do is closer to kind of a one to one relationship or even compressive. Like I'll say, I got 25 emails from Goldman Sachs babbling about something or another.

• 16:24Speaker 03

  Are any of those things worth reading? And that's compressive, right? Cause I'm taking a whole lot of stuff and producing, and turning into something small and that feels efficient to me, or similarly some other email or a calendar or whatever. So the point being that normals, the people that these frontier models want to sell to now are not really well represented by what people in the early days of the market were doing because coders are really unusual. And you're already seeing some of that with Meta cutting in half the number of developers in-house who are allowed to use external frontier tools. Microsoft, the same thing. You know, the days of token maxing where you like had, you know, charts internally that said, you know, who's winning at using the most tokens? Those are long over. Normal companies can't tolerate that. People are blowing their entire budgets in like months.

• 17:07Speaker 03

  So my point is, is we're already moving away from this early days of profligate token use and everybody looking for ponies inside of giant piles of manure. Azim?

• 17:18Speaker 02

  Yeah. In his giant pile of manure, Paul also had some sleight of hand. What, what Paul talked about was the frontier models and, and tokens. And what I talked about was the capital expenditure in the capacity we've been talking about, which is the GPUs. And I think that they are two different things that merit two different discussions. I mean, what happens to the frontier model labs, OpenAI and Anthropic with this business model of ever more powerful AI systems that have a smaller and smaller sort of set of users is quite different to the question of what's going to happen with the trillion plus dollars or so of capital that will go into building data centers upon which American and global businesses will start to run increasing amounts of AI.

• 18:03Speaker 02

  And I, and I think we need to separate those two out. One is really about like the fundamental viability longer term of, of Anthropic or OpenAI and what they might do in the face of the pressures that, that Paul has articulated. And I think the other is whether the, the, the GPUs and this new digital infrastructure that's being built out will find uses amongst predominantly enterprises. But of course, as we rightly heard, consumers through, to, through things like, you know, Muse and other agents. I think those are different questions.

• 18:35Speaker 01

  I'm confused by you separating these questions. And, and I recognize that maybe this is an important point of confusion to, to untangle because people can mean different things when they talk about whether or not there's a bubble and what it would mean for the bubble to pop or to deflate. As far as I can tell, if it turns out that OpenAI or Anthropic, or for that matter, you know, Alphabet or whoever, that their business model here doesn't work, that in fact, people are perfectly happy to use DeepSeek from China for a lot less money and Anthropic like collapses in on itself, that is going to pop the economy. Like that, like that looks to me like it would become a contagion in the stock market.

• 19:17Speaker 01

  I mean, I don't necessarily think it'll throw us into a depression, but I think that would have a very, very, very big effect on valuations, on, you know, what people are willing to lend in the future. Do you not think that?

• 19:30Speaker 02

  Well, I think what you have to do is, is zoom back out and ask, what is the, the fundamental risk that emerges with a, with a, with an infrastructure build out, which is that you don't have enough customers who are demanding a product and paying enough for that underlying asset. And if people can move, enterprises can move to open weight models that are being run directly by a hyperscaler, that is just the demand moving. It may hurt Anthropic's margins, but it still monetizes the underlying capital expenditure. And then what, one of the things-

• 20:04Speaker 01

  Which are these chips, basically? The data centers? And Nvidia, Anthropic might, might collapse, but Nvidia will be fine.

• 20:10Speaker 02

  But, but even so, Anthropic has got many, many degrees of freedom. I mean, the last 24 hours or 48 hours since, before we recorded this, it, it cut prices and released even cheaper, more efficient lightweight models. These are still models around which they have a pretty decent margin. They will be doing the things that software companies have done for, for decades, which is trying to construct reasons for you to use their software beyond the core capability. That's why they have Claude cowork and they have Claude for lawyers. And that's why I think this question of if Anthropic disappeared tomorrow overnight, well, I can't quite imagine the circumstances under which that would, would happen. But what I, what I'm saying is that you're seeing the end customer demand and that's

• 20:53Speaker 02

  the thing without which this will always end horribly.

• 20:56Speaker 01

  Can I just ask you also to, because I want to actually ask you both this question of what for you counts as the bubble popping? Because there's a world here where, you know, you have, say, a giant stock market correction, but the data centers are still being used. And it sounds to me like you're saying that's not a bubble popping. That's just a correction or something?

• 21:21Speaker 02

  Well, historically, bubbles, when they, they've popped have resulted in, in two things. One is a huge decline in the level of investment in that particular asset. And they have been accompanied with a significant crash in a relevant asset market, whether it's the stock market or, or something else. And that is the test that, that I would use. I think we may end up in a world where there are grindingly low and embarrassing returns for credit funds and for hyperscalers because of the investments they've made. But that degree of pain is not a bubble bursting. That is just somebody made some bad investments and they bought high when they should have bought at a lower, at a lower price.

• 22:06Speaker 02

  I mean, I think I would use a very, very classic historical definition, which is that we need to see the level of investment drop by 50% and we need to see a really, really substantial, and typically it's been 50% or more correction in whatever the relevant market is.

• 22:20Speaker 01

  Paul, same question to you.

• 22:23Speaker 03

  I didn't. Okay. So I disagree on almost every point that Azeem is making. These are arbitrary definitions. And I think, let's just, let's put it this way. Okay, so back to my original point, something like 50% of people's current net worth in the United States is tied into equities. Most of equities is currently tech. Most of tech is currently AI. That's going to only get worse as these two monster IPOs come to market over the next, I don't know, two months or whatever.

• 22:49Speaker 01

  OpenAI and Anthropic?

• 22:50Speaker 03

  OpenAI and Anthropic. And just to put that in context, by the way, OpenAI, Anthropic and SpaceX, if you want to include it, combined, those three IPOs are larger than all post-World War II IPOs combined. Like, this is a really unusual moment.

• 23:04Speaker 01

  That's crazy. That's a crazy stat.

• 23:05Speaker 03

  It's a crazy stat. And not only that, the combined value of those companies is larger than the value of the NASDAQ market capitalization at its peak. Like, the bubble is sitting right in front of people and they want to say, well, I expect you to come with blonde hair and not brown hair. Dude, just because it doesn't look the way you want it to look doesn't make it any less fragile. So you could imagine, let's say, just for the sake of argument, the Anthropic IPO gets pushed out. It doesn't happen in November. It happens next year. There will be a sharp revaluation in their ability to raise funds, as well as in the companies that are supplying them, because everything is levered off the valuation of these companies that are currently sitting in private markets. So I like to say this is, the failure here is over-determined.

• 23:49Speaker 03

  There's so many ways it can all break. And break really catastrophically, because, I'll give you another example, the, what's called the Schiller cyclical adjusted price earnings multiple, which is a sort of a longer-term measure of where US equities sit. We're sitting at the levels we sat just before the crash of '29. We're sitting at absolutely historically unprecedented levels in terms of market-wide valuation. And this is the problem, is people lack imagination and simply refuse to engage with the broader data about what's actually happening in the world, because they say, well, this doesn't look like the last bubble, so we must be fine.

• 24:24Speaker 02

  Well, let me, but I think I'm gonna, I'm just gonna come in directly. That's right. I mean, I think that it's very easy to use very colorful language. I'm always mindful of-

• 24:33Speaker 03

  No, this is data. It's not colorful language. It's actually numbers. What's, what's your response to, like, we're sitting at historically unprecedented numbers in terms of, like, the cyclical price-adjusted earnings? Like, is that good? Is that good in your book?

• 24:46Speaker 02

  One of, one of the, one of the responses about the Cape Schiller is that Cape Schiller doesn't say anything about timing.

• 24:53Speaker 03

  Though, it's because it's, because it's an adjusted long period horizon.

• 24:56Speaker 02

  And it's a historical, it's a historical 10-year look back that can sometimes understate underlying changes in the regime of the, the economy and the market. But there's, there's something else that's going on, which is, I think a lot of what you're describing, Paul, is already priced by equity investors and it's being priced by the credit markets. We've seen, just in the last few weeks, we've seen an IPO for a data center company, Australia, get pulled because investors weren't happy with what they were being promised.

• 25:28Speaker 03

  That's not why it was pulled.

• 25:30Speaker 02

  Why was it pulled then?

• 25:31Speaker 03

  It's pulled because of this unprecedented moment where two trillion-dollar IPOs are in orbit around us, waiting to come to market and are sucking all the risk capital to the market as people say, yeah, this looks really cute, this IPO we have, but there's, we don't have any capacity to do that right now.

• 25:47Speaker 01

  Okay, but I think that, in a way, actually goes to Azeem's point a bit. When you talk about these massive IPOs that are circling, and we're talking about OpenAI and Anthropic, and OpenAI has gotten pushed back a little bit for when they seem like they're going to launch actually into the, into the public markets. The thing that is interesting about that, from, I think, the perspective of it's not all a bubble, is that sophisticated investors in mass numbers, who really, really do have skin in the game here, are looking at these and saying, they make sense. So when you hear this from other people, Paul, and you're an investor and you think about these things, what mistake do you think all these people are making? When you say it's just math, it's clearly not just math, because everybody else can do math. It is your interpretation of the math.

• 26:31Speaker 01

  So where does your interpretation of the math differ from, you know, the markets?

• 26:35Speaker 03

  Sure. So you have to think about why, why these kinds of IPOs happening and why people are piling into them. It's partly in anticipation of what they think could be, you know, a fantastic business with a long-term franchise, da-da-da-da-da. But it's also because they think that when it comes time and when the lockup expires, they can sell the stock to someone else who thinks that. Right? This is, this is the essence of, going back to the very beginning of, why do IPOs exist? IPOs used to exist to allow you to raise money for a company who needed to grow. These are not that, right? These companies have done their growing. They're probably actually going to be, I don't know, $100 billion in run rate revenues by the time they come out, or $70 billion or something like this. So these are exit events. These are people inside the company saying, I don't need my stock anymore, you can have it.

• 27:19Speaker 03

  So they're selling their stock to people on the outside because they, at this valuation, they'd rather have cash than Anthropic stock, or cash than OpenAI stock.

• 27:29Speaker 01

  At that valuation, I'd like to have cash, too.

• 27:31Speaker 03

  Yeah, sure, absolutely. Hand it over. But the point being that, like, this is not a, this is not a gesture where they're saying, you know, I really like our prospects with the company. There's all, there's going to be selling shareholders across the board because this is an exit event, not a financing event.

• 27:45Speaker 01

  But it is a gesture where other people are saying, I do like your prospects as a company, and I want to own this.

• 27:52Speaker 03

  I, the same thing was said in anticipation of the SpaceX IPO, and we've seen what happened subsequent to that, that all of this fervor before it turned into a, you know, kind of a, a sort of a light roller coaster decline. So my expectation is you'll see the exact same thing, because these are, in market terms, exit events. You're going to be a wall of selling shareholders, showing up post-lockup, selling it to anyone who'll show up and want to, and want to take the shares from them. And that's why this needs to be understood for what it is, an exit event. People are buying in anticipation of selling to you. If you want, it's like the old line about the poker table, if you don't know who the greater fool at the table is, it's you. This is that. And I don't understand why people don't see it that way, because that's what makes this so unprecedented.

• 28:33Speaker 02

  I'll just, I'll just come in on that. I mean, I think what Paul describes is really what many IPOs have been like for, for many, many years. And when we take a look at Anthropic and whether it can be a sustainable business, we probably need to look at what it will show in its S1, when it's, the S1 is the document, it's the document essentially for what this company is when you're going to buy it at, at IPO, and look at what's happening with its revenue trajectory and its margin trajectory and the breadth of its customer base and whether customers are sticking with it, whether those accounts are growing, beyond what has been, frankly, a lot of patchy reporting and leaks, some of which is accurate and some of which is, is inaccurate, but not much of which gives us a cleaner picture of, of the company.

• 29:19Speaker 02

  And I think that draws one of the really big issues we've all had to deal with over the last two or three years, which is, these companies have got very big, but they are still private companies, so they don't really need to disclose much, if anything at all. And what comes out is a smattering of rumor, scuttlebutt and the occasional well-sourced leak. And because they have essentially been structural to the AI trade so far, and they have been, as a consequence, the thing that has spun the valuations of the, of the wider market, whatever it is now, 38% tech. But we have not been able to inspect the way we normally can with public companies, what's really, really going on.

• 30:01Speaker 02

  And I think what happens with the IPO is that we, we won't get every answer, but we get some of the answers that we need about these, these businesses.

• 30:10Speaker 03

  We have a partial answer now, though, just on that point, though, which I think is amazing, because it came from, you know, what's that thing with the horror movies with the killers inside the house? This is a little bit of one of those where Anthropic accidentally leaked who their, who one of their largest customers was. They said we needed to have, what was it called, a mega account executive or something like this? We were trying to hire one, and then they quickly realized that by saying who their largest customer was, you could triangulate and say, this was for Meta, so this was their account executive to handle sales to a single company. That it worked out that Meta, something like 10% of their revenues. And so this goes back to-

• 30:44Speaker 01

  Meta is 10% of Anthropic's revenues?

• 30:46Speaker 03

  That's right.

• 30:46Speaker 02

  But that was in 2025, right?

• 30:49Speaker 03

  Right.

• 30:49Speaker 02

  And let's just be clear, let's just be clear.

• 30:51Speaker 03

  But just to be clear, but why that matters, though?

• 30:53Speaker 02

  No, but why it matters is that Anthropic's revenue in the first quarter of this year was bigger than the entirety of last calendar year. So what we're doing is we're looking at a rearview mirror and saying, oh, we hit a squirrel 700 yards ago. What we need to look is look out of the, the windscreen.

• 31:08Speaker 03

  This is why these companies are so unusual. We have never seen companies on this size go public with such a small number of customers. The concentration of their customer list, it might be eight companies that make up 80% of their revenues. That doesn't happen. And so as I was an equity analyst years ago, this would be a colossal source of risk for me. I'm looking at it, I'm saying, the dependency on such a small number of customers who are mostly using it for the same thing is historically unprecedented, to have such customer concentration. So what they accidentally leaked was the fragility of the business in terms of its exposure, not just to a single customer, but to a single customer who was doing that same old thing of writing code. And this is, this, this is the point I want to make. That's what makes these so unusual.

• 31:51Speaker 02

  The beauty of what, what Paul has just said, which is sort of eight customers, 80% of the business, is that that's 10% per customer. That would have to be disclosed in the S1. So we have actually a very, very falsifiable prediction that we will be able to check when the S1 comes out, if Anthropic does successfully go public, and say, was it really 80% and eight companies representing 80% of the business? And that's really helpful, because if Paul's right, that is a bit, that's a bit exotic, right? It's a bit spicy.

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• 33:54Speaker 01

  I think Apple is a really interesting company here because unlike Alphabet, Google, unlike Meta, obviously OpenAI and Anthropic are AI companies. Microsoft was a major OpenAI investor and is now also trying to make its own frontier AI. Oracle is heavily invested here and is now just right above junk bond status. Apple just decided to not compete in making a frontier AI while their competitors are now spending $100 to $200, $300 billion in capex every year. Apple's spending, what, 15-ish billion in capex per year? Their stock this year has performed better than any of these other company's stocks.

• 34:35Speaker 01

  Is there, does it imply anything that Apple, and being the one major player here, to not try to compete in the frontier model Olympics seems to be winning that?

• 34:46Speaker 02

  That's the one.

• 34:47Speaker 01

  Let me start with Azeem here.

• 34:49Speaker 02

  Yeah, sure. Yeah. I mean, Apple has a business model that means they don't need to run a frontier model. We buy their phones, we buy their laptops, and then we might subscribe to the odd movie or something like that. So they make money regardless of the AI. But I also think there's a really important cultural dynamic, which is, Apple cares a lot about detail. I remember this story of Steve Jobs, when he was rolling out the iPhone many, many years ago, phones that then, a senior vice president at Google, who's responsible for the partnership, and blast him out because they'd used the wrong color, yellow, on the Google, then Google logo. Apple really cares about detail and they care about control.

• 35:33Speaker 02

  And large language models are powerful in many ways, but they're not about control. They can get very, very hapless. And I think that one cultural reason why Apple would have held back, even though it's so well-positioned to be the personal agent, it's got the device, it's got the privacy, is that it won't, it won't want the mess that a large language model will ultimately deliver if you've got a billion people using it, which is what Apple's estate looks like.

• 36:02Speaker 03

  So, yeah, I think, I don't think Apple was very smart about this. I think they mostly screwed it up and got lucky. So they tried various times to make forays into AI. I mean, they, they, they had, they had teams, they disbanded teams, they were going to integrate it with Siri, they weren't going to integrate it with Siri, and they didn't ever get anywhere. And what they benefited from, though, was by their inaction, they were a classic free rider, right? They got to free ride on everyone else's gigantic expenditures, and they come out the other side smelling like roses because they didn't actually have to make the expenditures. They can use what's being built by others and sit on top of it. But I think writ large, we're going to see a lot of that because people are burning money on a bonfire, which can benefit lots of other companies. So Apple's sitting on top of it, not having to build models.

• 36:46Speaker 03

  Look at people like CloudFlare, for example. I mean, here's a company that largely forgotten, was kind of basic internet infrastructure. Stock has tripled in the last, what, 18 months? Because suddenly people are like, wait a minute, wait a minute, wait a minute. If we have all of these bots ranging around the internet, that's kind of like a new form of attack. We need to make sure that we have who's out there that can deal with all of this new traffic. And so a lot of this investment that we've seen out there will turn out to be beneficiary to a whole host of companies whose names are not OpenAI, Anthropic, Grok, or whomever else. And I think that's a really important point. And that goes back to the, you know, the days of electrification in the 1920s. Like, who were the primary beneficiaries once the utilities all began collapsing in the crash of 29? Well, of course, it was the people building things that required electricity, air conditioner

• 37:31Speaker 03

  manufacturers and others. And so, yeah, for sure, we'll see a lot of this accidental piggybacking and free riding on top of this.

• 37:37Speaker 02

  But it's not accidental piggybacking and free riding.

• 37:40Speaker 03

  Apple didn't plan this.

• 37:41Speaker 02

  It's called complementary services and complementary businesses. That's what economists, when they're being very moderate with their language, describe in the process, which is a general-purpose technology shows up, it continuously improves, and then it starts to create the need for complementary services, whether it's maintenance or whether it is repair or whether it's something you can now do with the technology. This is the, the normal evolution of a general-purpose technology is it finds its way in. And in some cases, it's a bit of free riding. In other cases, what's happened with CloudFlare is that we've been able to, across the economy, automate so many bots and AI agents that businesses on the internet are turning to

• 38:25Speaker 02

  CloudFlare to try to protect them if they, if they can.

• 38:28Speaker 01

  Let me ask something, actually, about these big companies that has come up a lot in the bubble debates I have followed, which is, the, the major companies we are talking about here, your Alphabets, your Metas, et cetera, they just have a lot of money. And so they're doing this from a very healthy balance sheet, which is not the case sometimes for these railroad companies, et cetera. When Zuckerberg says, you know, "It would be sad if we misspent hundreds of billions of dollars," what he's also saying is, "We can misspend hundreds of billions of dollars. It'll be fine." And, and one argument I've seen is that, one reason you don't really need to worry about this, is that it is being driven by companies that can absorb losses on their own balance

• 39:12Speaker 01

  sheet without contagion in the rest of the economy. You're not dealing with something like, you know, derivatives in the 2008 financial crisis. Paul, you've thought a lot about the private credit dimensions. I mean, there has been a movement towards debt in some of the way this is being financed now. How do you think about the question of, are we protected from this? We being broader society, because these companies have ungalled the amounts of money to lose if they so choose?

• 39:40Speaker 03

  No, we're not. So, this is a funny thing. So like a year ago, people told me to stop babbling about this stuff because these are smart companies, they have prodigious cash flows, who are you to tell them what to do? And I was like, oh, shucks, you've got me there, so I'll stop saying this. And then, of course, we're now a year later. What does the data show? Spending is moving away from cash flow to debt. So, you know, you put up your hand and you say, hey, wait a minute, wait a minute, remember that thing you said last year? It's no longer true, so should I worry now? And it's like, no, you don't need to worry now because they have pristine balance sheets. These are great credits. And I'm like, oh, crap, my, just my timing is wrong twice on this. And then, of course, to be serious, what happens whenever you have a pristine balance sheet? What Wall Street is very, very good at is making it less pristine because they'll, they'll

• 40:25Speaker 03

  continue to raise money for you and raise and raise and raise for you because the fees are tremendous. And what, and as, as they do so, your credit rating declines. And we're seeing that with Oracle, we're seeing that, we're on the cusp of that with Microsoft, we're on the cusp of that with some of the other hyperscalers, because that's what Wall Street does. They see a pristine balance sheet, an unlevered company in the term of art of the industry, and they'll continue to burden it with credit. And so the way that these companies try to get around it, Meta is probably the best example, is they use somewhat more exotic structures so the debt doesn't actually sit on their balance sheet. They use things called special-purpose vehicles, they use things that are off-balance-sheet financing, say, hey, that's not my debt. I know I control it, but it's over there with that funny name thing that sounds like a sort of a New Orleans bagel.

• 41:09Speaker 03

  That's somebody else's debt. And so this is all just a shell game. And the reality is, it rolled up. We've now at a point where tech, whose main advantage historically was fast growth, no debt, right? Tech is now the largest issuer of investment-grade bonds in the United States. This is an industry whose main claim to fame, other than growth, was that they were relatively clean. They're now the exact opposite. These are hugely debt-encumbered companies increasingly and that are dominating the issuance marketplace, to the point that it's even having an impact on sovereigns, right? So one of the reasons why we had the, the bond market freakout over the last two, three weeks was because of the role of hyperscalers issuing credit at the same duration as the

• 41:53Speaker 03

  tenure in the United States, which at the margin was actually outcompeting the US, which caused yields to have to go up on the tenure. So that's how crazy things have become. So, yeah, no, it's completely transitioned, which is going to have, you know, huge consequences down the road in terms of this debt overhang that starts to look increasingly like, you know, Japan circa 1990, this kind of, all these corporations with giant balance sheets loaded with debt that are trying to work it off.

• 42:19Speaker 01

  Well, the other side of that, Azeem, is it, it's not just debt that is being crowded out where these, you know, hyperscaler companies are competing with everybody else for, for money. It's also construction, it's also real materials. I mean, I know, I'm sure you've seen these charts going around that imply there's real crowd out happening, that, yes, we are building, we are pumping money into AI capex, but home building in a country that does not have enough homes is going down. Spending on manufacturing plants and factories is going down, or at least like the, the sort of share. And so there, there does appear to be a movement from investing in other parts of the economy at a construction and capex level into investing in AI.

• 43:02Speaker 01

  I guess if AI works out, great, that's fine. But if it doesn't, or even if you just think these other things are... You know, underrated, say, maybe I think for homes, homes are a more stable investment. They don't return, give you returns like the, like investing in an Nvidia does, but they're pretty important. And I have like a cleaner way of explaining why more homes would make more people's lives better. How do you think about the, the crowd out question here?

• 43:28Speaker 02

  When we look at investment rates a year ago, back in the summer of 2025, I wrote about how I assessed whether we're in a boom or a bubble. And one of my observations was that at the moment, the hyperscalers are spending out of their own cash flows and their own balance sheets. As soon as that starts to change and they go to external finance, you introduce lots more risk. And my threshold for more risk was about 30% of the, 30%, which is about the level that we, we are approaching now at the end of 2026. These things are, are not set in stone. The crowding out problem is a, is a real problem. And it's, it's, it's really a complicated and thorny issue. I mean, I think one place to, to think about was what happened in, in the

• 44:13Speaker 02

  Netherlands in the 1970s, when they discovered a lot of natural gas off the North Sea and the entire economy oriented around gas extraction. And you've got this thing called Dutch disease, where effectively that part of the economy was sucking up all of the activities. And there, you know, there could be a risk that that will happen in the US if it isn't already happening right now. And, and I think then the question is, what do you do about it? And how do you actually, you know, adapt to that? And I'm afraid my only answer is that it requires something of policy, something of a policy stimulus to make sure that those sectors get the activity that they need, because I'm not persuaded that market forces on their own would, would do that.

• 44:57Speaker 01

  That seems like a tough prescription at a time when, I'd say both we have very erratic leadership, but our borrowing costs are going pretty high amidst incredible levels of debt.

• 45:08Speaker 02

  Well, look, your, your politics is your politics and, you know, you get to vote every four years and make the choices that, that you make. The

• 45:16Speaker 01

  And then live with them.

• 45:17Speaker 02

  Right. And then live with them. But, but it doesn't have to involve subsidies, right? It can involve other types of, you know, policy interventions. So I'm not, it's, it's a really difficult problem. And it will continue to happen so long as the returns on the other investments are, are higher and so long that that's, that, that is creating a, a, a supply shock on electricians and construction workers and HVAC technicians and all the other things that are needed in data centers. But, but, and there is, there is a, a but to all of this, which is that, of course, there's a lot of upskilling going on. There are many, many electricians being trained. There are many HVAC engineers being trained. There are many construction workers being trained. There are construction firms who are growing and who

• 46:02Speaker 02

  will start to have spare capacity. And I don't know how that ends up, but in a year or two or three years, that capacity, those skills will be in the economy and able to be used.

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• 47:57Speaker 01

  So I want to ask this not in terms of stock markets and financial flows. I want to try to ask, what does this economy look like? In which companies and people and governments, for that matter, are using enough AI to make these investments writ large pay off, even if, you know, some companies may not end up being in the winner's circle here and may, may fail. So, Azeem, you spend a lot of time thinking about this. If you were to try to paint me a picture of what things look like at normal companies, your GEs, your Coca Colas, in this world where the AI bet pays off, what does it look like? What is different? What are

• 48:41Speaker 01

  we not, what is not being spent on if so much money is being spent on AI tokens? Like, what is happening here?

• 48:48Speaker 02

  You know, when I talk to, to bosses and I talk to them across Europe and the, and the US, dozens every, every year, the, the, I, I hear this, the same sort of thing, which is, we're making progress with AI. It's harder than we thought. We're going to keep doing it and we're starting to get results. And the more confident ones say, we're getting more and more results. But a, a large part of it is coming now, I think, will, will come, unless businesses grow very, very quickly, from just a slow reduction in, in replacement of, of workers, that companies that are getting more productive with AI will be delivering more dollars per employee. And if they're not growing faster than that productivity growth, then their, their head counts will, will start to, to, to fall. But we should

• 49:33Speaker 02

  just add that, you know, there are very few AI native companies. There are very, when we think about electricity, the electricity native companies were people like the Ford Motor Company with its end to end production line. But most of America didn't get fully electrified for another 15 or 20 years after that. And I don't think I can really point to a Main Street firm that is not outside of Silicon Valley, that you could say, this company has become AI native. What you can see are bits of the business that look like they're using a lot of AI.

• 50:07Speaker 01

  Okay, but if the AI native company that you're talking about is a company where you've managed to replace people with AIs?

• 50:14Speaker 02

  Yeah.

• 50:15Speaker 01

  So now you seem to be really quickly tipping into the much worried about world in which AI is net negative for jobs across the economy, unless you believe there are all these new companies starting that are somehow very human labor intensive, even though in theory, the new companies starting are going to be more AI native, so less human labor intensive. So is that actually a good world? And then if that's the world, who's spending more money in this world where people are losing jobs?

• 50:43Speaker 02

  Well, I, I think there are, there are a number of different things going on. You know, one is that there are, there are still things that the AIs won't be able to do. And those will be the layers of human, humans doing verification, doing the last sign off, doing the things that the models cannot do well. And what would typically happen is that those people will end up being paid more and more, you know, better and better as a consequence of, of sitting at that choke point. I think that the second thing that you will start to, to see is a whole class of roles that we can't imagine within, within companies, you know, whether it's things like the webmaster, which didn't exist in, you know, 1993. And, and then I think the third thing is, this is really the, the cultural

• 51:26Speaker 02

  dimension of a general purpose technology. This is where, you know, Paul was describing the GPT, is that they tend to construct entire new classes of, of work and behavior that we hadn't been able to put our fingers on. And, you know, if you just think about Henry Ford, well, because of Henry Ford, we ended up with motorcars. Because we've got motorcars, we ended up with people having suburbs and suburbs to vacations and vacations to all the things that, the services that sit around, around there. Now, I'm not blasé about that. I mean, I think the, the challenge we may find is that it takes longer to create those new roles than anything else that, that, that happens. But the, the other observation I would make is that, you know, my, my time horizon for this runs in five, seven, 10

• 52:11Speaker 02

  years, not one or two, not two or three, because I do think it just takes time for management teams to absorb what it is they have to do with this technology. And it's, it's just not the case that you get the best model from OpenAI and say, fix my company and it fixes it. I mean, I just, these, these things take time. And that's what I see when I talk to, to bosses. However fast they want to move, it just takes time.

• 52:36Speaker 01

  Paul, how do you see this?

• 52:38Speaker 03

  We're basically repricing labor, right? I mean, this is the fastest adopting technology in history and its fundamental function is to reprice cognitive labor. And I mean, this is the deep struggle because the article of faith, the West Coast ideology on this stuff is technology always creates more jobs than it destroys. And so it becomes just a thing that people repeat, like a mantra that they hope will become true. And the reality is we've never seen a general purpose technology that had such broad applicability, was adopted so quickly and was repricing labor at the same time. Because when I say repricing labor, I mean, it's making it vastly cheaper to do things like call centers, for example. And as a result, these things, this change is going to be destabilizing long before

• 53:23Speaker 03

  we figure out how to turn them all into, I don't know what the equivalent of webmasters is. And so this is the problem, right? Is that it's happening so much faster than any prior GPT that these sorts of, you know, arm waving about creating more jobs than it destroys, belies the lived experience of people who are affected by this stuff. And so it can quickly become just some kind of strange mantra that it's like, you know, don't worry, your pretty little head, everything will be fine. So, no, I think the disruption will vastly outpace our ability to create new positions.

• 53:53Speaker 01

  This has also struck me as another form of economic risk for not just workers, but actually AI and for, you know, some form of this bubble popping or deflating, if it is a bubble. Because you can imagine a world where actually the problem is not whether or not companies are willing to adopt AI, that actually particularly under more economic strain, interest rates keep going higher, maybe there's a recession of some sort, and companies begin moving very aggressively to replace labor, human labor, which, you know, needs healthcare and unionizes and has opinions with AI. And then there's a huge backlash. There's already a huge AI backlash, already people organizing against building data centers. They don't want those where they live.

• 54:36Speaker 01

  But, you know, if you know anything about the history of occupational licensing or building homes or anything else, it's actually not that difficult for, say, teachers to organize and say, no AI in the classroom. Actually, education is off limits for AI. Doctors, all of a sudden, to organize, maybe there's a couple of bad events where people are getting bad diagnoses off of AI. And so it's sort of like locked out of hospitals. Anthropic, in their risks to their IPO, says existential risk to humanity is possibly one of the risks of this IPO. If there's some major control incidents where instead of hacking hugging face, OpenAI hacks Wells Fargo, it hacks something in China.

• 55:16Speaker 01

  And all of a sudden, regulation comes in, not a little bit, but all at once. All of those things seem like real risk, that the possibility of discontinuous regulation seems higher to me than elsewhere. And also seems, I don't want to say inevitable to me, but quite likely to me. So I'm curious how you think about that.

• 55:39Speaker 03

  This has been my complaint from the very beginning of the process by which these companies have launched models, that they've essentially been conducting unlicensed drug trials on the public in the sense that these are hugely consequential technologies that are launched in a way that were they a drug company, that you would immediately have the FDA on your back. And yet, because of their technology companies, you can do these mass trials, oh, by the way, we're going to transform all of education, we're going to launch these things that, you know, can penetrate government websites and other things. So this idea that you can do this with impunity in technology, because we live in the timeline where so far, these things haven't killed us, is just ridiculous and indefensible. And I think we're inevitably headed towards a world of where there's going to be after

• 56:22Speaker 03

  some kind of terrible event, there's going to be some kind of post hoc regulation imposed, but it'll only be after consequential damage. And I'll give you a specific, this is the way I often try to characterize it to people because they'll say, well, what's going to cause that? As if like, you know, you can just come up with this stuff. Like, if you think about it, there's probably five, 10, 15 different sorts of scenarios we can come up with that might lead to regulation, none of them probably having a probability of like, let's say, less, maybe more than 5%. So let's say I have six events, each of which have a 5% chance of happening. What's the likelihood that any one of them happens? It's like 20%. If I have a dozen events, like a possible scenarios, right? They're all bad, that each of which have no more than a 5% chance of happening.

• 57:06Speaker 03

  What's the likelihood that one of those happens? It's more than 50%. We have way more than a dozen ways that these things could cause trouble and end up requiring regulation. So looking at it that way is almost inevitable. So it's like a 50, 60% chance that something happens that drives regulation. And yet, people continue to sit around and say, well, you know, this isn't that likely or that isn't that likely. So no, regulation here is inevitable. It'll take the form of something like the FDA, maybe some kind of atomic energy board, because it's just as consequential and because there are so many different ways for them to have broader consequences in society. And it's amazing to me that people sort of glibly pass that on.

• 57:44Speaker 01

  Azeem, how do you see this political risk dimension?

• 57:47Speaker 02

  Well, you know, I think when you look at industries, industries grow quite well when there's a little bit of regulation, as the pharmaceutical industry has, you know, is a great, great example. And I think when we think about who's going to pay for this, the AI companies from the model labs through to the hyperscalers are going to be making a lot of money. So it's fairly clear that there is money in the system and there are people who, firms who can cover some part of the bill. And I think one of the things that's really exciting about the data center protests that you're seeing, particularly in the US, is that actually it is people expressing their

• 58:27Speaker 02

  sense of unease about this technology, the way it's manifesting itself. And the way to look at that is that that is a democratic expression, right? That is an expression of will, that is an expression of uncertainty. And what you would hope to come out of something like that would be a better social license, which people are more and more comfortable with. Now, you know, I suspect that within the US, because you have state level, you know, governance power, that some of this may be done on a statewide basis. What's happening in the UK is that there is an attempt to get people developing data centers to reinvest annuities into the local community. Because one of the things that we, you know, that we don't really talk about much is that

• 59:12Speaker 02

  a huge data center might employ very, very few people indeed. I mean, it may be billions of dollars, but it's a handful of jobs.

• 59:18Speaker 01

  Which is crazy, like two to six people for a multi-billion dollar facility.

• 59:22Speaker 03

  And if you do the math in terms of the cost per jobs created, it's often, I was doing, looking at one in New Mexico recently, it's $4 million in terms of subsidies per job created, leaving aside the cost of the center. If you look at the tax abatements and the required improvements to, you know, local utilities, the numbers are insane.

• 59:39Speaker 02

  So none of that, none of that works long term. But the useful thing is that there's money in the system because there are profits being made up and down the stack. And it, you know, one would feel that because of that, there's an obvious place for that bill to land. And that bill can land through, you know, I don't think self-regulation works, and I would agree that we will need to find, whether it's local, national or international, real rules about how these systems work and the harms and the damages that they might cause.

• 1:00:07Speaker 01

  Well, but the thing to me that's interesting in that, of course, there's going to be regulation. That's clear to me. The range of how that could fall, all the way from pharmaceutical regulation, where what we want is for pharmaceutical companies to produce safe drugs, although people may be argue, you know, we've made that too slow also, all the way to, say, nuclear power regulation, where fundamentally what we've ended up wanting is no new nuclear power plants. And depending on what happens with AI and given how negative people are on it already, one of the possibilities here is that it could swing such that the answer on a bunch of things is simply, no, we don't want to be replaced by robots. Which actually, when you say it aloud like that, seems like a fairly straightforward

• 1:00:51Speaker 01

  thing and probably the kind of thing that people are going to express in a democracy. Or no, we don't want robot agents crawling all over the economy. No, we don't want to be called endlessly as a restaurant by your muse agent, trying to get reservations everywhere because now you've just made it functionally impossible for a restaurant to ever answer the phone again with a human being. And that the sort of like collective expansion of all this. I mean, I know people who, you know, are managers of different firms and they're just saying, I'm just drowning in AI-produced reports all of a sudden. My email's just full of obviously AI-written inquiries, which is making my responsiveness all across the board go down.

• 1:01:36Speaker 01

  I'm not just saying, will there, will there not be regulation? But I think one risk is that people decide, maybe they don't want this in actually fairly large swaths of the economy or used in some of the ways people are expecting. There's a very good piece by John Herman in New York Magazine about the sort of beginning agony of companies that all of a sudden are absorbing tremendous amounts of muse agent inquiry. And like, we're not prepared for everybody to have an agent calling you as a robot, trying to negotiate down the price or get a reservation or sell a concert ticket, or just whatever it might be. And people may, people may actually not like it.

• 1:02:15Speaker 02

  Yeah, they might not like it. The trouble is there appears to be some revealed preference here, and that picture is not even. So only about 2.5% of Americans pay for an AI subscription, which is, considering it's, they've been available for three years, is a very slow, slow takeoff.

• 1:02:31Speaker 01

  You had this, I love, sorry, I love this stat in one of your newsletters recently, that more people pay for GLP-1s, a larger number of Americans paid for a GLP-1 than for AI.

• 1:02:42Speaker 02

  Well, yeah, because one is really quite useful and you feel the impact within a matter of a few weeks. But hundreds of millions of people in America and around the world do use AI through the free version. And when companies like Meta start to produce, put these tools in front of you, I'm sure people will end up using them, even if they vote with their complaints and with their social media posts saying they don't want any AI. Either it'll become inescapable or they will still have it on their phone and they'll be using it. And I think we have to just contend with that, that possibility. I think we also have to, you know, realize, and this is where we think about technology as being this gigantic unpermissioned experiment, which it has been for 40 or 50 years, that

• 1:03:26Speaker 02

  what you're describing about robo calls from AI agents into hotels and restaurants, or as my orthopedic surgeon was telling me, he just gets long thousand word, 10,000 word emails from patients who've clearly chat GPT'd their medical notes. This is unfortunately going to happen and that cost has now been pushed into the system and we're going to have to figure out how to deal with it. I now pay, it's not a lot, I pay about a buck a month to my phone operator to screen out spoof phone calls that are essentially robo calls. And that's what's going to happen and we're going to call that GDP. Those additional costs.

• 1:04:09Speaker 03

  I think, though, one of the things that's your comment, Ezra, really reminded me of this is that we have this idea in sort of Western capitalism that it's always about efficiency. In a weird way, societies require friction. And when you take away frictions, even frictions that you didn't realize existed, all of a sudden it has consequences. You know, there've been examples of people using large language models to launch claims and small claims court, for example. Do we want that to be more, to have less friction? Do we want more of that? Do we want this, you know, your example of this, of the restaurants? And we have all of these frictions that exist in society, and blithely removing all of them is kind of creating in tech parlance, almost a denial of service attack on modernity,

• 1:04:52Speaker 03

  where all of a sudden we're having stuff launching at us from every angle, almost like, you know, people, you know, Russian bots attacking a website, except it's coming from all angles because of the increasing, you know, numbers of bots and other things. And I think that's what people are responding to, is it's this kind of out of control feeling as all of the frictions drop away. And suddenly, you know, I can't get access to things or nothing works the way I could expect. So simply dealing with the reduction in frictions has huge consequences across society. And I think people are reacting to that.

• 1:05:22Speaker 01

  And what's going to happen is it's going to be these two AIs bouncing things back and forth. And

• 1:05:26Speaker 03

  Right.

• 1:05:27Speaker 01

  And it's just going to be a more and more and more unpleasant economy, which is why like, I do think there are going to be large areas where people just say, maybe not. So I want to end on this question, which is, first, for you, Azeem, what would you need to see to start thinking, oh, no, this is getting pretty bubbly? And then to you, Paul, the reverse, what would you need to see to think, oh, maybe I do have this wrong, and I shouldn't be, these investors have it right, and there's a lot of money to be made here?

• 1:05:57Speaker 02

  Well, there are so many risks that we have talked about. And there's all the complexity and fragility in the financing. The thing that keeps this on the other side of healthy is where the real customers are spending real money and getting real results. So the thing that would make me uneasy would be if I saw a couple of quarters where the amount that American enterprises were spending on AI was, the growth rate was halving, say, two quarters in a row. That would suggest that they've filled their appetite, and there's not going to be the revenue to keep this on the right side of healthy.

• 1:06:35Speaker 01

  Paul?

• 1:06:37Speaker 03

  There's so many. I mean, I'm convinced I'm wrong about most things. So I'm always happy to find more things I'm wrong about. So I just look at economic data. So if we began to see, I don't know, productivity growth go well beyond trend, that would be striking, right? We so far, we're sitting at around trend data with respect to US productivity growth. There's no sign of, you know, AI improving productivity. If we saw participation rates sharply increasing, that would be, that would be something that would help to tell me, okay, AI is an inclusive technology in bringing people back into the economy. That would really help. If we saw GDP growth going back above trend, we're still sitting around the levels of, you know, sort of the post-World War II trend at the low end of it. Any of those things would tell me that something big was going on, like a true productivity

• 1:07:20Speaker 03

  shock in the economy that warranted the kind of expenditures. So, you know, if any of those, and probably the three of them at once happened, that would tell me I was wrong. You know, if those productivity numbers come through, then fine, everything changes. But if it doesn't, you're looking at something that looks more like the 1930s than it does like, I don't know, 2000s.

• 1:07:39Speaker 01

  All right. I think that's a good place to end. So also our final question, what are three books you'd recommend to the audience? Paul, why don't we begin with you?

• 1:07:45Speaker 03

  Sure. Middlemarch is sort of my go to on thinking about normal people being swept along by kind of the winds of change as a major technology revolution's taking place. It was, you know, it took place just as the industrial revolution was taking, was sort of taking hold. And I think it's a tremendous, a tremendous book about that. So the other one that I like to recommend is Liberty's Dawn by Emma Griffin, which is a collection of the average worker's biographies and notes from during the Industrial Revolution. And it's a just a wonderful, wonderful look at what it was like in the mid, in the middle of that wrenching transition. And as, you know, people talk about economic data and everything else, what it was like to live through it? What did it feel like? What was

• 1:08:29Speaker 03

  the pain I felt? And, you know, what were my hopes for the future? It's just like a wonderful book about that. And the last one that I always put is Samuel Insul, largely forgotten figure. He was the probably one of the most important entrepreneurs of the 1920s, whose empire in electricity shows what happens that you can build, building an empire on top of a GPT, and even doing that successfully can still end up in collapse and calamity. But it's a wonderful story. So Insul, The Rise and Fall of a Billionaire, Utility Tycoon by Heather Redford, Ronald.

• 1:09:04Speaker 01

  Azeem?

• 1:09:05Speaker 02

  So my three books. The first is The Day the Universe Changed. It's written by a BBC science journalist back in the early 80s. I read it as a teenager, and I've just reread it. And it is all about how, as we develop new types of knowledge, we start to rethink our role in the world, what matters to us, and how unsettling that is. And he walks us through 1,000 years plus of that through, through Western and Asian history. The second book is Fathers and Sons by Turgenev, which is a book written in the 19th century. It's at that moment where the ideas of science and modernity are making their way into Russia,

• 1:09:46Speaker 02

  and you have the generational conflict between the more traditional generation and the younger generation. And what stays as a bond between them, what even the, the most recent breakthroughs in science can't tell you about what it is to be human, I think, very relevant. And then the final one, which I'm just rereading again, is Condeed by Voltaire.

• 1:10:14Speaker 01

  Azeem Azar, Paul Kudrowski, thank you very much.

• 1:10:17Speaker 02

  Thank you.