Writing
Notes on data, experimentation, and building products.
I analyzed 14,000 websites running ChatGPT ads. Here's who's buying.
I found OpenAI's ad pixel on 14,406 company websites. The buyers aren't a new crowd. They're the teams that already buy everything else, and they test new channels first.
Why I Started Writing Again
A short note on why I'm keeping a public log of what I build, learn, and get wrong along the way.