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

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.

One of the challenges of buying local advertising is, how do you know if it worked? How do you know if it's got value? We're moving toward an e-commerce experience for local, an Amazon-like experience for local.

The biggest thing is to create a product that consumers find useful. As more and more people like something, it becomes harder and harder to have a conspiracy theory about it.

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

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

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.