In today's episode, we're talking with Brian Chesky, cofounder and CEO of Airbnb. YC funded Airbnb in 2009, when the company was at death's door. During YC we watched the founders work frantically to get growth started and turn Airbnb into the rocketship that it is today. Learn what it takes to come up with an idea so weird that it seems like it will never work, and then make it work.