Simon Willison’s Weblog

25th November 2007

Deconstructing Facebook Beacon JavaScript. How Facebook’s new Beacon service (also known as “Facebook ruined Christmas”) actually works.

Posted 25th November 2007 at 9:20 pm

Recent articles

Adding TILs, releases, museums, tools and research to my blog - 20th February 2026
Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026
Deep Blue - 15th February 2026

This is a link post by Simon Willison, posted on 25th November 2007.

beacon 1 facebook 117 javascript 742 privacy 64

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