I can not answer your question, but I want to add that Berlin might be the city with the highest hackerspace density: http://hackerspaces.org/wiki/Berlin http:/

I can not answer your question, but I want to add that Berlin might be the city with the highest hackerspace density: http://hackerspaces.org/wiki/Berlin http://hackerspaces.org/wiki/Berlin The whole Bay Area has.. not that many (well, they have one biohackerspace).