Alex Vacca (@itsalexvacca)

8 Google engineers wrote the paper that every AI company now uses as their bible. OpenAI built GPT on it, Anthropic built Claude on it, and Meta built LLaMA on it. Every LLM worth billions uses this paper's transformer architecture as the foundation......

Tech debt almost killed Notion. With only a few weeks' runway left, the founders left SF, moved to Kyoto, & rewrote the entire app. No launch. No hype. Just a quiet resurrection. Today, Notion's worth $10B. Their monk-mode product strategy every founder should study: ...

Facebook once bought a VPN app for $120M and turned it into a surveillance tool that spied on 33M+ users' entire phones for years. This app helped Zuck buy WhatsApp for a whopping $19B and break Snapchat's encryption. Thread...

'Superintelligent AI will, by default, cause human extinction.' Eliezer Yudkowsky spent 20+ years researching AI alignment and reached this conclusion. He bases his entire conclusion on two theories: Orthogonality and Instrumental convergence. Let me explain 🧵 ...

BREAKING: MIT just completed the first brain scan study of ChatGPT users & the results are terrifying. Turns out, AI isn't making us more productive. It's making us cognitively bankrupt. Here's what 4 months of data revealed: (hint: we've been measuring productivity all wrong) ...

Humanity's progress is accelerating insanely fast: Stone Age→Farming: 100,000 yrs Farming→Steam: 12,000 yrs Steam→AI: 200 yrs 2000-2014: 100 years of progress in 14. Moore's Law predicted 32x. AI chips did 1000x. Law of Accelerating Returns is getting weird with AI🧵👇🏻 ...

In 2008, Airbnb's founders were 72 hours from giving up. $30k in credit card debt, 7 rejections from investors, and selling cereal boxes just to stay afloat. Today? $100B+ valuation. The turning point? A single email. Here's how one message saved what became a tech giant:🧵 ...