The microformats community has grown and stablized over the past few years, news of adoptions, new ideas and challenges come up frequently enough that there are no shortage of new topics to discuss on a weekly basis.
Come along, meet up with the microformats community in San Francisco.
Official Website: http://microformats.org/wiki/events/2009-02-24-weekly-dinner-sf
Added by matthewlevine on February 23, 2009
beaulebens
If you're WordPress-inclined, you might also like to come and check out the meetup that's happening just up the street at Citizen Space (please join the Meetup group and RSVP!)
http://www.meetup.com/wordpress-sf/calendar/9713860/