The Ledger

Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.

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why aren't all 116 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 3 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Assertion Open · timeframe Apr 2027
Horowitz: Big Tech's startup cloud deals involve illegal roundtripping accounting
“The big tech companies have done this thing which we thought was illegal because we observed it occur at AOL and people went to jail, but what they've done is they invest in startups, you know, huge amounts of money. Microsoft and Amazon and Google are all doi…”
Ben Horowitz Apr 2, 2024 ▶ 54:30 Politics & the Future of Tech
Opinion
Horowitz: Google and Microsoft push for centralized Chinese-style AI control
“Like we go to the China model that Google and Microsoft are advocating for this Chinese model of only a few can control AI. We're going to be in big trouble.”
Ben Horowitz Apr 2, 2024 ▶ 1:24:54 Politics & the Future of Tech
Assertion Partly supported
Horowitz: Google and Microsoft use safety rhetoric to lobby against open-source AI
“And they do it like the really kind of nasty thing is they claim, oh, it's for safety. You know, we've created an alien that we can't control, but we're not going to stop working on it. We're going to keep building it as fast as we can. And we're going to buy …”
Ben Horowitz May 9, 2024 ▶ 1:12:46 Build Your Startup With AI
Opinion
Microsoft Failed to Build Competitive In-House Frontier AI Models
“They clearly tried to make a frontier model. They failed. You know, Satya said, we're gonna have our own models that are very competitive. Like, I think he said that 18 months ago. They don't have their own models that are competitive.”
Gavin Baker Aug 31, 2026 ▶ 48:15 Why AI Demand Is Outrunning Compute Supply
Opinion
Garry Tan: AI startups will not replace incumbent giants like Microsoft
“There are real motes to these things. Like, there are structural reasons why a Microsoft isn't going anywhere. And then, I guess, This is sort of a little antithetical to what most, you know, most people in Silicon Valley would say, like, I want to start up to…”
Garry Tan Aug 11, 2026 ▶ 41:14 Garry Tan: New Rules for Founders
Assertion Not checkable as stated
George: Anthropic and OpenAI add more monthly revenue than tech giants
“Anthropic and OpenAI are adding more revenue per month than Meta, Google, or Microsoft.”
David George May 29, 2026 ▶ 1:43 The New Rule for Picking AI Winners | The a16z Show
Opinion
Truell: Microsoft will struggle to compete in AI code editing
“I think it's one of the things that makes it pretty tricky for a Microsoft to really compete in a big way.”
Michael Truell Nov 10, 2025 ▶ 26:58 Michael Truell: How Cursor Builds at the Speed of AI
Assertion Not checkable as stated
Baker: GPT-V is not evidence that AI scaling laws are ending
“GPT-V is a smaller model. It was not designed to be better. It was designed to be more economical for OpenAI and Microsoft to run. Any reference to GPT-V and scaling loss is crazy.”
Gavin Baker Oct 30, 2025 ▶ 22:57 "Is there an AI bubble?” Gavin Baker and David George
Opinion
Patel: Microsoft's custom AI silicon lags behind Amazon, Google, and Meta
“Microsoft, their custom silicon kind of sucks but the other three, they're really upping their orders massively over the last year. You know, Amazon is making millions of Tranium. Google's making millions of TPUs. TPUs clearly are like a hundred percent utiliz…”
Dylan Patel Aug 18, 2025 ▶ 21:29 Dylan Patel on GPT-5’s Router Moment, GPUs vs TPUs, Monetization
Opinion
Srinivasan: Tech platforms face market constraints, but Washington DC is a monopoly
“See the thing is these platforms are at least competing with other platforms, and if Apple or Microsoft or Google makes too bad decision, Then the people on those platforms have exit, they have choice, they can move between platforms, so there's ultimately a m…”
Balaji Srinivasan Aug 8, 2025 ▶ 17:57 Steven Sinofsky & Balaji Srinivasan on the Future of M&A, AI & Tech
Opinion
Holding LLM creators liable is like holding Microsoft liable for Windows misuse
“Let's make the LLM creators liable for every bad thing that happens with an LLM. To me, that is the exact equivalent of saying, let's make Microsoft Liable for every bad thing that someone does on a Windows computer, right? They're fully general, and so these …”
Marty Chavez Apr 30, 2024 ▶ 30:49 Marty Chavez (Sixth Street): Finding a Single Source of AI Truth
Opinion
Stamos: Backward compatibility neutralized Microsoft's $1 billion security investment
“It's the reason why Microsoft has spent probably a billion dollars on security in the last decade, and they still haven't gone anywhere. It's because they're not willing to do a tax service minimization due to the way they do backwards compatibility.”
Alex Stamos Jan 2, 2019 ▶ 7:20 a16z Podcast | Security’s Wakeup Call
Opinion
Thiel: Legacy tech giants like Microsoft and Oracle bet against innovation
“There's a whole set of companies in the Nasdaq 100 that are actually bets against technological innovation. So Microsoft is a bet that there will never be anything like Linux. It's a bet that there will be that the operating system won't shift to mobile platfo…”
Peter Thiel Jan 2, 2019 ▶ 38:03 a16z Podcast | The (Definite) Optimism of Peter Thiel
Insight
Tan: Startups use AI to compress six-month product releases into days
“Like you could release something in a day or two that would have taken like six months. And if you could like multiply that out across, like the thing is like probably an org like Microsoft can't. But, like, a startup can. And every startup must.”
Garry Tan Aug 11, 2026 ▶ 36:37 Garry Tan: New Rules for Founders
Assertion Supported
Keith Rabois says Vinod Khosla intervened to stop Sam Altman joining Microsoft
“Or like, yeah, for like, 24 hours until Vinod and some other friends intervened a fair amount.”
Keith Rabois Oct 16, 2025 ▶ 24:05 Keith Rabois: Israel, OpenAI, Opendoor, and DOGE
Insight
Horowitz: Big company partnerships fail without massive financial commitments
“Look, you got to get them to put enough, they're such a big company that they're going to lose interest many times. So if you don't have them write you such a big check that somebody in there is going to get fired if it doesn't go well, you're, it doesn't matt…”
Ben Horowitz Oct 15, 2025 ▶ 28:58 Ben Horowitz and Ali Ghodsi: How to Run a $100 Billion Business
Assertion Partly supported
Casado: Microsoft's initial Copilot product was actually created by OpenAI
“I learned recently it was created by OpenAI, so that kind of explains it.”
Martin Casado Sep 24, 2025 ▶ 45:04 Software Finally Eats Services - Aaron Levie
Assertion Not checkable as stated
Sinofsky: Surface exists because PC makers refused to build aluminum laptops
“The reason Surface exists is because the PC makers wouldn't build, like, an aluminum computer, basically, or an all-in-one, for that matter.”
Steven Sinofsky Jun 18, 2025 ▶ 31:57 Former Microsoft Executive on Apple’s Hidden China Problem
Insight
Sinofsky: Microsoft succeeds through enterprise bundling, not best-in-class products
“The strength of Microsoft is that you never have to be best. You just have to be included.”
Steven Sinofsky Jun 18, 2025 ▶ 11:59 Former Microsoft Executive on Apple’s Hidden China Problem
Prediction Not checkable as stated
Immerman: Apple could gain 1 billion search users overnight
“They are not investing the capex like Meta and Google and Microsoft and Amazon, but they control a central node to the consumer, and if they wanted to build a search application, the next day they could have a billion users.”
Alex Immerman Dec 9, 2024 ▶ 11:58 The 2025 AI Search Race
Prediction Held up
Wilson: Cloud market will split to Amazon 60%, Google 30%, Microsoft 10%
“But I think it could be like Amazon has 60% of the market, Google has 30% of the market, and Microsoft has 10% of the market. I think it's gonna be a three player game in that business, and that's good.”
Fred Wilson Jan 2, 2019 ▶ 19:34 a16z Podcast | Technological Trends, Capital, and Internet 'Disruption'
Opinion
Horowitz: 1990s Microsoft suppressed tech innovation far more than modern Big Tech
“If you compare it to the early nineties, when Microsoft was super strong, that was really actually a far bigger suppression of innovation.”
Ben Horowitz Jan 2, 2019 ▶ 33:54 a16z Podcast | Beyond Zero-Sum Thinking in the Game of Tech... and Life
Assertion Not checkable as stated
Schuler: Aside from tech giants, major corporations lack an AI strategy
“Pretty much everyone has missed the boat on an AI strat, like everybody. There's a handful of companies, Google, Microsoft, Facebook that are doing it, but Everybody, I mean, I talk to companies with 15, twenty billion in revenue, they go, we don't have an AI …”
Cameron Schuler Jan 2, 2019 ▶ 20:38 a16z Podcast | Machine Intelligence, from University to Industry
Opinion
Rampell: EU regulatory hostility toward US tech giants is driven by jealousy
“I think the EU is very jealous that Google's not a European company. I think they're jealous that Apple's not a European, like, Google is bad in Europe. In my personal opinion, I don't think they're nearly the monopolist that Microsoft was like in the late nin…”
Alex Rampell Jan 2, 2019 ▶ 16:20 a16z Podcast | The Movement of Money
Assertion Supported
Alex Rampell: Microsoft never restricted Windows software like Apple restricts iOS
“Microsoft, in my opinion, never really They never did the same amount of control. Like, they never said, hey, this software product cannot be downloaded onto your Windows PC.”
Alex Rampell Jan 2, 2019 ▶ 23:26 a16z Podcast | Fintech Revolution or Evolution?
Opinion
Horowitz: Apple undershot its enterprise market potential by 100x
“If you look at Apple's products and their product position, and you look at their success in the enterprise versus say Microsoft which is selling competing products, you would, I would argue Apple's undershot their potential with the products they have by prob…”
Ben Horowitz Jan 2, 2019 ▶ 7:03 a16z Podcast | The Why, How, and When of Sales
Opinion
Butterfield: Microsoft is the only competitor Slack really worries about
“To be totally frank, it's the one company that I really worry about from a competitive angle.”
Stuart Butterfield Jan 2, 2019 ▶ 28:00 a16z Podcast | Nobody Discusses Work Software Outside of Work -- and Then There’s Slack
Prediction Didn’t hold up
Evans: There are even odds Windows Phone disappears within a year
“It's, that, that, I would be, I think there's even odds that that product won't exist in a year.”
Benedict Evans Jan 2, 2019 ▶ 15:11 a16z Podcast | The Year Mobile Began to Truly Dominate Tech
Assertion Not checkable as stated
Evans: Android destroyed vast wealth for mobile hardware manufacturers
“Google were actually afraid of Microsoft rather than afraid of Apple, and so they created this mobile phone platform that's been Enormously successful for Google, vast destroyer of wealth for the entire manufacturing industry”
Benedict Evans Jan 2, 2019 ▶ 9:27 a16z Podcast | Enough with the Old Stuff -- Time for New Questions in Mobile
Insight
Thiel: Easy success or early failure teaches founders the wrong lessons
“Most of the time people are either in companies that fail, and then the lesson you learn is that it's impossible to build a great company, and so the next time around you try for something that's less ambitious, and so And then you certainly will not build a g…”
Peter Thiel Jan 2, 2019 ▶ 22:50 a16z Podcast | The (Definite) Optimism of Peter Thiel
Opinion
Evans: Google is the new Microsoft in its universal computing platform ambition
“I think there's a macro point here that Google is the new Microsoft, and this is the thing that came out really strongly last year, and indeed this year, is the sort of self-confidence and the ambition to do absolutely everything to become the global computing…”
Benedict Evans Jan 2, 2019 ▶ 10:12 a16z Podcast | Google I/O -- A Three-Hour Tour (in 30 minutes)
Assertion Not checkable as stated
Casado: Microsoft created multi-billion-dollar shelfware businesses through product bundling
“So Microsoft is notorious for making multiple billion-dollar businesses of basically shelfware because the consumption behavior didn't change and the consumer behavior didn't change.”
Martin Casado Oct 26, 2018 ▶ 11:06 Going to Market When No Market Exists
Insight
Evans: Dominant Tech Giants Always Look Invulnerable Right Before They Fall
“The winners always look invulnerable until they don't. So, IBM looked invulnerable, then Microsoft, Intel, Nokia did, then the internet giants of the last bubble, now Google, Apple, Facebook, Amazon look invulnerable, but all the previous ones fell, and it was…”
Benedict Evans Dec 5, 2017 ▶ 4:57 10 Year Futures (vs. What's Happening Now)
Assertion Supported
Horowitz: Microsoft beat Google in cloud productivity due to enterprise culture
“Google, like had, they built Google Apps, like what, like five years before Microsoft really got going with Office three 65, and Microsoft ran right by them. Why? Because there was no enterprise culture in Google, none.”
Ben Horowitz Jul 16, 2017 ▶ 25:50 Culture and Revolution
Assertion Not checkable as stated
Casado: Cursor navigated Microsoft/Anthropic competition and M&A in two years
“I mean, imagine like starting competing with Microsoft, ending, ending up competing with say, Anthropic, you know, both of these kind of, you know, mega companies with tremendous amount of capital and power and distribution. In the meantime, you evolve like fu…”
Martin Casado Aug 27, 2026 ▶ 29:22 How Cursor Built One of AI’s Fastest-Growing Companies
Insight
Casado: AI gives startups competitive footing with incumbents by solving distribution
“And like, what's crazy is AI, A, solves the distribution problem. It just solves the demand problem. And B, these companies are able to raise so much money that they're actually on competitive footing with like the Microsofts and the medicine and the Microsoft…”
Martin Casado Aug 25, 2026 ▶ 47:01 How AI Changes the Economics of Innovation
Disclosure
Tan: Turning down early Palantir offer was a $2B to $4B mistake
“Peter said, I'm so sure this is the right thing for you. Like, here's a check for 70 grand. That was how much I made at Microsoft at the time. And I said, thank you very much, Mr. Thiel, but I might get promoted to level 60 this year. Which I did, but I think …”
Garry Tan Aug 11, 2026 ▶ 8:01 Garry Tan: New Rules for Founders
Opinion
Horowitz: Microsoft created cyber theft opportunities by deploying Windows online prematurely
“When it went from vandalism to theft, the vandalism company, Microsoft, is one who created all the theft opportunities By putting windows on the internet when it wasn't ready to be on the internet because it wasn't built for that kind of idea.”
Ben Horowitz Jul 3, 2026 ▶ 36:02 Ben Horowitz on the Global Race for Tech, Power, and Influence
Assertion Open · timeframe Dec 2026
Evans: Microsoft, Meta, and Google spending over 50% of revenue on CapEx
“Microsoft, Meta, and Google are all on, in line to spend over 50% of revenue on CapEx this year.”
Benedict Evans Jun 8, 2026 ▶ 48:31 The Economics of AI Usage and What's Next For SaaS | Benedict Evans on a16z
Opinion
David George: Big tech can easily absorb potential AI capex overbuild
“It turns out they're the best companies, you know, probably ever created you know, companies like Google, Facebook you know, Amazon and Microsoft, and they can bear you know, potential capacity overbuild and things like that.”
David George Jan 26, 2026 ▶ 2:37 The Biggest Bottlenecks For AI: Energy & Cooling
Assertion Supported
Epoch AI: Microsoft's Mount Pleasant data center will consume half NYC's power
“The one we found that's actually seriously underway and has permits and is, you know, setting up the electrical infrastructure for is one by Microsoft, which is going to be used by OpenAI, at least in part in Mount Pleasant. They're calling it Microsoft Fairwa…”
Epoch AI Researcher Nov 24, 2025 ▶ 51:30 The 2045 Superintelligence Timeline: Epoch AI’s Data-Driven Forecast
Assertion Not checkable as stated
Rabois: Microsoft is losing its lead in AI coding to startups
“They started with an advantage in coding, Copilot, etc. They're losing that.”
Keith Rabois Oct 16, 2025 ▶ 22:24 Keith Rabois: Israel, OpenAI, Opendoor, and DOGE
Assertion Supported
Casado: Early AI coding tools reached $400M to $600M in ARR
“The first kind of monetized AI app was code, right? It was Copilot, and so Microsoft had invested a ton of money and matured the market with Copilot, with VS Code, and so everybody knew it. It's just, like, the models weren't quite ready then, and so you had, …”
Martin Casado Aug 22, 2025 ▶ 12:36 The State of AI: Growth, Fragmentation, and the Next Wave
Assertion Partly supported
Andreessen: Seattle tech executives elected a candidate wanting to nationalize Amazon
“Seattle, to give you a sense how crazy things are, the district in Seattle, the city council district where the most Microsoft and Amazon executives lived, live, elected a city council woman who's, who ran a platform of nationalizing Microsoft and Amazon.”
Marc Andreessen Aug 5, 2025 ▶ 12:22 Marc Andreessen: The US is in a AI Arms Race & It Decides The World's Future
Assertion Contradicted
Price-Wright: Microsoft contracted over a third of Georgia's electricians last year
“When Microsoft was building their new data center in Georgia last year, at one point, they had on staff at Microsoft, or on contract, more than a third of the electricians in the state of Georgia.”
Erin Price-Wright Jul 16, 2025 ▶ 46:27 America's Energy Problem: We Need A New Grid
Prediction Not checkable as stated
Sinofsky: Microsoft will eventually develop much more first-party AI software
“I, it seems obvious that at some point, you know, Microsoft will have much more first party software.”
Steven Sinofsky Jun 18, 2025 ▶ 9:59 Former Microsoft Executive on Apple’s Hidden China Problem
Assertion Contradicted
Sinofsky: Microsoft shut down Hotmail in China over server access demands
“Like, we had to shut down Hotmail for forever because, like, we wouldn't let them see the data center servers, which weren't even in China, and all sorts of complexities.”
Steven Sinofsky Jun 18, 2025 ▶ 36:52 Former Microsoft Executive on Apple’s Hidden China Problem
What-if
Horowitz: Delayed browser creation would have enabled proprietary network monopolies
“If you had not had the idea when you had it, The internet as we know it probably doesn't happen in that the kind of Microsoft alternative, the Oracle alternative would have had an opportunity to gain a network effect. And so the chance of all this getting buil…”
Ben Horowitz Jun 28, 2024 ▶ 34:08 Marc Andreessen on Inventing The Internet Browser (How We all Access the Internet)
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