The more people you know from different backgrounds, the more tolerant you feel of different ways of living, and the closer you feel to the issues that those people have.

Now, two things happen. One is, people know people, whether that's on Facebook or Twitter. They feel closer to the event. Secondly, people see other people doing something about it.

I find it best to dive right in and learn the hard way.

We're living at a time when attention is the new currency: With hundreds of TV channels, billions of Web sites, podcasts, radio shows, music downloads and social networking, our attention is more fragmented than ever before.

You have a responsibility when you have a large community.

Privacy is dead, and social media holds the smoking gun.

Creating the future is incredibly exciting. When you talk about ideas and creativity, it's really about having that vision in your mind of how the world could be better, of how it could be a brighter place.