Facebook is not an unstoppable juggernaut. There are a lot of other things people can do on the web.

You simply can't be tentative in a startup. You have to go for it at every chance you get. And if the leader of the organization is anxious, his or her fear pervades the organization. Everything comes from the top in a company. So if you are starting a company or building one, face your fears and move past them. It's critically important to your company.

When my dad was in Vietnam, we lost a parent for a year. Thank God we didn't lose a parent for good.

If you want to create something great and do it faster than the competition, you need to be action oriented.

I believe the mobile OS market will play out very similarly to Windows and Macintosh, with Android in the role of Windows. And so if you want to be in front of the largest number of users, you need to be on Android.

Certainly anything that is news or opinion needs to be free on the Web, because the Web is this very fluid medium that is very much driven by links and the flow of visitors through a discussion via links.

The more entrepreneurs in the world that are getting their ideas financed, the more great companies there are going to be that we can all invest in.