What are the best tech community event sites in San Francisco?
My answer to What are the best tech community event sites in San Francisco? on Quora
We have a large and growing community-maintained list of mostly-tech events in San Francisco here:http://lanyrd.com/places/san-fra... (60 upcoming events at time of writing)
That page has RSS and iCal feeds that you can subscribe to. You can also sign in to the site with Twitter to get recommendations of events that might interest you based on what your twitter contacts re attending in the future.