Randall Stross discusses his recent book: The Launch Pad: Inside Y Combinator, Silicon Valley’s Most Exclusive School for Startups. Stross’s behind-the-scenes look at Y Combinator details how the seed fund has been able to produce young entrepreneurs and successful startups such as Dropbox and Airbnb. Stross also discusses Y Combinator’s early history, the typical Y Combinator participant, the fund’s rate of return, the gender gap in the program, and the reason Silicon Valley has become the epicenter for startups.