Totally random - this building houses the Internet Archive which is attempting to archive all the content of the Internet every year http://www.archive.org/index.php

The Presidio has lots of interesting non-profits as well as for profit organizations hidden away in the corners - right up the street from this is where they project movies on the back of one of the buildings during the annual Theatre in the Fog -- http://upcoming.org/event/105665/  Jeff and I went and saw Steve McQueen in the original Blob in 2003 - really fun!