01/10/2013 09:40 am ET

The Startup-Generating Secrets Of Y Combinator

Who Wants to Be a Billionaire?

Twice a year, close to 200 teams of aspiring tech entrepreneurs, most in their 20s, converge on Mountain View, in Silicon Valley, vying for a spot at Y Combinator, the seven-year-old seed-funding firm–cum–accelerator co-founded by venture investor Paul Graham. Their dream: becoming the next Y.C.-backed sensation, like Dropbox, Airbnb, or OMGPOP. In an adaptation from his new book, Randall Stross follows one of the summer 2011 start-ups from tryout to “Demo Day,” to see what it takes.

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