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

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.

On mobile, what are the core apps? It's basically messaging, mapping and review data.

The entrepreneurs that really make it are the ones that start with an idea but are ready to change it at a moment's notice.

You have to be very nimble and very open minded. Your success is going to be very dependent on how your adapt.

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

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

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.

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.

Maintaining the trust of the consumer is critical to our business

In the very beginning, Yelp started as a service where we really didn't think people would write reviews for fun. The whole concept of user-generated content was pretty nascent in 2004.

Never underestimate the ridiculous things that have been done in the name of religious-semantic obscurity.

The past, the present and the future - none of those are set. We know that now. They change as we change.

A hand fought best when it made a fist.

Definiteness of purpose is the starting point of all achievement.

Then sink to your nose in a bubble bath.

Network television is all talk. I think there should be visuals on a show, some sense of mystery to it, connections that don't add up.

The terror and beauty of the dream come from the connection of previously unrelated mundanities of life.

There's no American playwright after 1945 who wasn't profoundly affected - who didn't have their DNA changed by Tennessee Williams.

It was kind of a prodding myself to play I Walk The Line straight.

I wanted to show a normal young girl whose only difference was that she behaved in the way a boy might, without any sense of guilt on a moral or sexual level.