Here's How To Get A Successful Startup Off The Ground, According To The Investors Who Produced Dropbox And Airbnb

Sam Altman is president of Y Combinator, a prestigious startup accelerator program that incubated companies such as $10 billion Airbnb and Dropbox.

Altman and Facebook co-founder Dustin Moskovitz gave a 45-minute presentation to Stanford students about how to build great companies. It's part one of a two-part lecture.

It starts with an idea...