Simon Willison’s Weblog

Crowdvine, iCalico, Pathable, a Study in Collusion. Stitching sites together around a single user database using subdomains and simple signed cookies.

Posted 12th July 2007 at 11:09 pm

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

collusion 1 crowdvine 1 foocamp 3 icalico 1 kellan-elliott-mccrea 19 pathable 1 signedcookies 5 sso 3

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