I think with every successful consumer Internet business, there will be lawyers that are interested in going after your company, especially when they think that there's a financial incentive.

Everyone is panicked about the transition to mobile. I don't lose any sleep whatsoever.

About every year or two, there is a moment of truth where there's some new development in the marketplace, some new technology, some sort of existential crisis. You just have to be vigilant about looking out for those moments.

There are so many businesses that are succeeding on Yelp that don't pay us a dollar, and we're really excited about that.

Consumers are empowered by Yelp and tools like it: before, when they had a bad experience, they didn't have much recourse. They could fume, but often nothing else other than tell their friends.

Yelp is in a very nice spot: local data, and especially review data, is one of the killer apps on mobile phones.

Starting a company, your success is going to be very dependent on how you adapt. You're going to make decisions, you're going to make bets; most of them are going to turn out to be wrong.