TechCrunch Disrupt SF: Day 2
Sanjit Biswas and Michael Arrington (L-R) attend Day 2 of TechCrunch Disrupt SF 2013 at San Francisco Design Center on September 10, 2013 in San Francisco, California.
(Sept. 9, 2013 - Source: Steve Jennings/Getty Images North America) more pics from this album »