Simon Willison’s Weblog

Introducing Operator. New microformat detecting Firefox extension, developed at IBM and released by Mozilla Labs. Examples are from Yahoo! Local, Upcoming and Flickr.

Posted 18th December 2006 at 4:36 pm

Recent articles

Useful patterns for building HTML tools - 10th December 2025
Under the hood of Canada Spends with Brendan Samek - 9th December 2025
Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025

extension 2 firefox 90 flickr 104 ibm 11 microformats 32 mozilla 113 mozillalabs 1 upcoming 5 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