More than four million businesses have Pages on Facebook that they use to have a dialogue with their customers.

Betting completely on HTML5 is one of the, if not THE biggest strategic mistake we've made.

The thing I really care about is the mission, making the world open.

Whenever I go to a new city, in order to help get on the right time zone and actually get a chance to see that city, I like running.

I updated my grilling app, iGrill, today and it now has Facebook integration that lets you see what other people are grilling right now around the world. Awesome.

By giving people the power to share, we're making the world more transparent.

When people are connected, we can just do some great things. They have the opportunity to get access to jobs, education, health, communications. We have the opportunity to bring the people we care about closer to us.