Simon Willison’s Weblog

Sell Side Advertising: A New Model? Intriguing: ads spread virally, publishers pick the ones they like.

Posted 8th September 2004 at 1:26 am

Recent articles

JustHTML is a fascinating example of vibe engineering in action - 14th December 2025
OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe