TechCrunch Disrupt SF 2011 – Day 2

SAN FRANCISCO, CA – SEPTEMBER 13: (L-R) TechCrunch Co-Editor Erick Shonfeld, Intuit
Co-Founder Scott Cook, Author of The Lean Startup
Eric Ries and Instagram Co-Founder Kevin Systrom speak onstage at 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) *** Local Caption *** Erick Shonfeld; Scott Cook; Eric Ries; Kevin Systrom