There is a significant momentum behind the social Internet. A wide range of public investors were very enthusiastic about that.

The polling of Internet users shows that friends recommendations are the most reliable driver behind purchasing decisions. Right now that market is largely untapped. Facebook and other social networks can allow that to happen.

Fundamental physics is like an art more or less. It's completely non-practical, and you can't use it for anything. But it's about the universe and how the world came into being. It's very remote from your daily life and mine, and yet it defines us as human beings.

I have this ratio that if you divide age of entrepreneur by market cap of company. For Facebook it's one. Every year of his life Zuckerberg has been making $1 billion for investors.

Facebook can be an accumulation of different intelligences.

Facebook didn't know how successful Zynga would be.

I'm just focused on exploring new opportunities.