buchodi.com on Hacker News

ChatGPT now knows what you do on other websites via ad collector(buchodi.com)

689 points by lmbbuchodi 1 month ago | 360 comments

Blog post analyzing how OpenAI's ad collector at bzr.openai.com sets an __obi cookie tied to ChatGPT accounts that is sent from other websites users visit.

Meta's ships facial recognition on smart glasses(buchodi.com)

288 points by buchodi 4 months ago | 258 comments

I broke AppLovin's mediation cipher protocol(buchodi.com)

18 points by lmbbuchodi 5 months ago | 3 comments

How ChatGPT serves ads(buchodi.com)

482 points by lmbbuchodi 6 months ago | 339 comments

Blog post analyzing how ChatGPT injects ad units into its conversation stream and how OpenAI's OAIQ merchant tracking SDK closes the attribution loop.

ChatGPT won't let you type until Cloudflare reads your React state(buchodi.com)

922 points by alberto-m 7 months ago | 596 comments

A blog post reverse-engineering the encrypted Cloudflare program that inspects ChatGPT's React state before allowing users to type.