For every new feature we add, we take an old one out. A lot of big sites don't do that, and it's a problem.

The biggest lesson has been the importance of constantly repeating the mission. It means bringing the team together every week to talk about all of our projects, progress, and vision.

We've tried to keep as cheap and lean an operation as possible.

Reading for me will be a combination of books, magazines, Tumblr, and just kind of the Web in general on the iPad.

The more people we have on our team. the less room there is in the elevator and the more complicated everything gets.

I've found that if you're not responsive to e-mail, it trains people to leave you alone.

I never spent much time with people my own age.