Simon Willison’s Weblog

19th January 2008 - Link Blog

Yahoo! supporting OpenID 2.0 but not 1.1. Yahoo!’s Allen Tom outlines the reasons Yahoo! are supporting OpenID 2.0 but not OpenID 1.1.

Posted 19th January 2008 at 9:10 am

Recent articles

OpenAI DevDay 2026 live blog - 29th September 2026
2026 in LLMs (so far) - 27th September 2026
Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price war - 22nd September 2026

This is a link post by Simon Willison, posted on 19th January 2008.

allen-tom 1 openid 213 openid2 7 yahoo 107

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