Simon Willison’s Weblog

My Google Tech Talk on OpenID. I gave this extended and improved version of my “Implications of OpenID” talk at Google on Monday. Fast turnaround on the video!

Posted 28th June 2007 at 8 am

Recent articles

GPT-5.2 - 11th December 2025
Useful patterns for building HTML tools - 10th December 2025
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