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.

clear all ✕

why aren't all 10 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 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 Contradicted
Balfour: Cursor overtook GitHub Copilot's market share in under nine months
“And so it's amazing to see something like cursor overtake market share of something like GitHub co-pilot in nine months or less, right? Like that, that's how fast it happened.”
Brian Balfour Aug 17, 2025 ▶ 7:52 Why ChatGPT will be the next big growth channel (and how to capitalize on it) | Brian Balfour
Prediction Held up
Schulhoff: Autonomous AI coding agents will suffer prompt-injection code exploits
“We're just going to see these things get deployed and they're going to be broken. So there's a lot of like AI coding agents out there. There's Cursor, there's, I guess, Windsurf, Devon, Copilot. So all of those tools exist and they can do things right now Like…”
Sander Schulhoff Jun 19, 2025 ▶ 1:07:58 AI prompt engineering in 2025: What works and what doesn’t | Sander Schulhoff
Assertion Partly supported
Rachitsky: AI coding startup Cursor hit $300M ARR in two years
“I just saw that Cursor hit three hundred million ARR in two years.”
Lenny Rachitsky May 18, 2025 ▶ 45:37 Microsoft CPO: If you aren’t prototyping with AI you’re doing it wrong | Aparna Chennapragada
Assertion Supported
Ward: Work samples predict success better than traditional across-the-table interviews
“Research has shown that work samples are the highest predictor of success at a company, but yet most companies are still spending a lot of time doing one-to-one across the table assessments.”
Adam Ward Aug 9, 2026 ▶ 45:29 The playbook for building high talent density teams | Adam Ward, Head of Talent at Cursor
Prediction Held up
Balfour: Cursor is on track to launch a developer agent platform
“Cursor is very clear, like cursor's on the path to also probably create some type of agent platform, right? For developers. So that'll be like a smaller ecosystem to play in for some products.”
Brian Balfour Aug 17, 2025 ▶ 40:00 Why ChatGPT will be the next big growth channel (and how to capitalize on it) | Brian Balfour
Assertion Supported
Masad: Cursor requires a separate runtime and deployment environment
“Cursor is a fork of VS code that's made that has really awesome AI tools, but that's an editor. You still need run time. You still need a deployment environment.”
Amjad Masad Nov 21, 2024 ▶ 9:23 Behind the product: Replit | Amjad Masad (co-founder and CEO)
Assertion Supported
Ugarte: Cursor scaled from 15 to over 1,000 employees before joining SpaceXAI
“When I joined Cursor originally, we were about 15 people. We scaled to about, to over a thousand. And then now we're a part of SpaceX AI, which is kind of an even bigger organization.”
Roman Ugarte Sep 8, 2026 ▶ 1:04:33 How we built Grok Bot in a month | Roman Ugarte (SpaceXAI)
Assertion Supported
Truell: Cursor's team is approaching 60 employees
“So we are going on 60 people.”
Michael Truell May 1, 2025 ▶ 58:08 The rise of Cursor: The $300M ARR AI tool that engineers can’t stop using | Michael Truell
Assertion Supported
Rachitsky: v0 ranked just behind Cursor and GitHub in survey
“I did the survey recently where I asked my readers, what tools do you use most in your day-to-day work as a product builder, as a product manager? And in the category of engineering tools vZero came in right below cursor and GitHub for people's most used AI bu…”
Lenny Rachitsky Apr 13, 2025 ▶ 5:00 Everyone’s an engineer now: Inside v0’s mission to create 100 million builders | Guillermo Rauch
Assertion Supported
Rachitsky: 17% of surveyed newsletter readers already use Cursor
“17% of all people that read my newsletter use cursor already, which is absurd.”
Lenny Rachitsky Mar 9, 2025 ▶ 34:25 Building Lovable: $10M ARR in 60 days with 15 people | Anton Osika (CEO and co-founder)
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