Simon Willison’s Weblog

About LOAF. Share your hashed address book and tell when a new contact is a friend-of-a-friend.

Posted 8th April 2004 at 3:23 am

Recent articles

Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026
LLM predictions for 2026, shared with Oxide and Friends - 8th January 2026
Introducing gisthost.github.io - 1st January 2026

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