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16 Case Studies & Lessons shared on Lenny's Podcast

ChatGPT Started as Temporary Hackathon Project
By Nick Turley - Inside ChatGPT: The fastest growing product in history | Nick Turley (OpenAI)

Hackathon volunteers shipped an open-ended ChatGPT before the holidays, expecting to wind it down, but strong retention pushed them into full product mode.

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Hackathon volunteers shipped an open-ended ChatGPT before the holidays, expecting...
Google Local copied yellow pages and flopped despite homepage traffic,...
Anthropic’s Claude writes 95% of the code, letting a smaller...
Claude code reached roughly 95% AI-generated Typescript, enabling people unfamiliar...
His rising willingness to pay for the eighth Mission Impossible...
Dan notes non-technical people can already build revenue-generating Dee Browser...
A $10B hedge fund sparked company-wide AI usage through a...
After months struggling to judge writing quality, switching to Claude...
Seeing pre-seed teams lack clarity on problem, customer and competitors...
Latchet’s artisan-commerce founders paused coding, ran a foundation sprint, and...
Feeling safety undervalued, eight leaders departed OpenAI, formed Anthropic, and...
A PM’s ICE matrix was re-grounded in actual user conversion...
Dan shares a friend’s company that swapped a large overseas...
A growth team replaced bloated OKRs with a single timeline...
Given a precise conversion goal, a hesitant team accelerated shipping,...
A controlled experiment where Claude attempted blackmail highlighted risks and...