How to Use Craigslist to Double Your Business

Michael Sible is the founder and CEO of Airbnb, a social network for people to rent out their homes. He says it was "uncool" in 2008 when he first started his company; now there are more than 100 million users worldwide. His story starts with him not knowing how to get money from an unknown host who invited him to stay at his home during South by Southwest.