Day One of Disrupt SF is officially over, and what a day it's been. We kicked things off this morning with Bill Campbell and Ben Horowitz, who were followed by Jack Dorsey, Brian Lee and Jessica Alba,
Georgia-based <a target="_blank" href="http://www.socialfortress.com">Social Fortress</a> may have started out as a pet project to make communicating on Facebook more privacy-friendly, but over the pa