Stop sketching and start building.

I'm obsessed with the idea of social TV.

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

What we're starting to see is that the best apps tend to be the simplest, the easiest to use and the fastest to use.

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

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

I used to snowboard 30 days a year. Now its down to eight.