TechCrunch Disrupt SF: Day 1
In This Photo: Logan Green, John Zimmer
John Zimmer and Logan Green (L-R) attend TechCrunch Disrupt SF 2013 at San Francisco Design Center on September 9, 2013 in San Francisco, California.
(Sept. 8, 2013 - Source: Steve Jennings/Getty Images North America) more pics from this album »
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