Facebook can be an accumulation of different intelligences. Ask a question, translated into many languages and somebody, somewhere in the world, will have an answer.

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

Google never knew how successful key words would be.

The company that creates one global social graph will be very important going forward. It will be Facebook, with maybe 2-3 local social networks able to sustain competition long term.

I'm just focused on exploring new opportunities.

Big Internet companies on average are capable of generating revenue of $1 million per employee, and that compares to 10 to 20 percent of that which is normally generated by traditional offline businesses of comparable size.

Facebook is a platform inside a platform.