Intro

Dalton Caldwell and Michael Seibel on the importance of talking to your users, why successful founders are ok with rejection from potential customers, and how protecting your ego by not talking to your users can kill your startup.

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/