Don't lose sight of user delight.

You're not smarter than your competitor. Just copy what they do and do it until you get their numbers.

Clearly as you move to being a public company, probably even more than growth, there is a huge value based on predictability.

Get five or six of your smartest friends in a room and ask them to rate your idea.

If you give people really big jobs to the point that they're scared, they have way more fun and they improve their game much faster.

I seek out a lot of advice from other CEOs.

I think we live in a unique time - the verbs that make up our online and mobile lives haven't been completely invented or imagined for us. That was kind of a life path I was on.