America's Coolest College Start-ups 2013

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This is Inc.'s 2013 roster of the 12 most promising dorm-room incubated ventures, and the tech-savvy, app-happy, socially-conscious undergrads who back them. They include a chocolatier, a seamstress, an obesity-fighting gamer, and a group of car-sharing chauffeurs. Pictured here in no particular order. To view the 2013 list of America's Coolest College Start-ups click here.