One of the biggest hurdles about Foursquare is you need to remember to use it.

Don't let other people distract what you're doing. There's always haters.

I'm obsessed with the idea of social TV.

Building a product is easy. But building the company that builds the product is hard.

Foursquare makes maps special. We take maps that are blank and put dots on them to help you figure out what to do.

One of the biggest hurdles about Foursquare is you need to remember to use it.

Stop sketching and start building.