Behind the curtain of Y Combinator, the 'sleep-away camp for startups'

Since its founding in 2005, Y Combinator has become one of the most prominent seed accelerators in Silicon Valley, haven given rise to companies like Airbnb, Dropbox, and Reddit. Every year, the organization and its founder, Paul Graham, hold two three-month "terms" for hand-picked entrepreneurs -- sessions that Nathaniel Rich, in a recent piece for the New York Times, likens to "a sleep-away camp for startup companies." Every "YC" term culminates in Demo Day, when representatives from each star...