SAN FRANCISCO, CA - SEPTEMBER 13: San Francisco Mayor Ed Lee attends Day 2 of TechCrunch Disrupt SF 2011 held at the San Francisco Design Center Concourse on September 13, 2011 in San Francisco, ... more 
SAN FRANCISCO, CA - SEPTEMBER 13: San Francisco Mayor Ed Lee attends Day 2 of TechCrunch Disrupt SF 2011 held at the San Francisco Design Center Concourse on September 13, 2011 in San Francisco, California. (Photo by Araya Diaz/Getty Images for TechCrunch) less 
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Getty Images | Photo By Araya Diaz / Getty Images for TechCrunch
Tue, Sep 13, 2011 2:13 PM EDT