Where Do Great Startup Ideas Come From?

Dalton Caldwell and Michael Seibel talk about where the ideas for Airbnb, Coinbase, and Stripe came from. Then they discuss what you can learn from these founders. To create Rookies Mistakes we asked YC founders: Is there a simple fact you wish you knew when you started your company or a rookie mistake you wish you could take back? Apply to Y Combinator: https://www.ycombinator.com/apply/