Don't discount yourself, no matter what you're doing. Everyone has a unique perspective that they can bring to the world.

People have really gotten comfortable not only sharing more information and different kinds, but more openly and with more people - and that social norm is just something that has evolved over time.

I think there's confusion around what the point of social networks is. A lot of different companies characterized as social networks have different goals - some serve the function of business networking, some are media portals. What we're trying to do is just make it really efficient for people to communicate, get information and share information.

The basis of our partnership strategy and our partnership approach: We build the social technology. They provide the music.

If a product costs $10,000 or $20,000 it has limited use. This is what the first computers cost! Only when almost everyone is able to afford it will it be a real thing.

It only took me two weeks to build the first version of Facebook because I had so much stuff before then.

Facebook is inherently viral.