A resource directory of internet sites in San Francisco
The following resources have been used:
SFMTA transit data that includes a list(seemingly not comprehensive) of all bus stops and their meta data ie; address, ID, Geocode. Here is the website to access it: http://www.sfmta.com/about-sfmta/reports/gtfs-transit-data
EveryOneOn.org has a json file that can be accessed of their locations in and around SF: http://api.everyoneon.org/json.php?zip=94109&distance=20&limit=500
SF's public libraries: http://sfpl.org/pdf/libraries/sfpl421.pdf
Link-SF: http://www.link-sf.com/#query?categories=technology&sort=near