Facebook didn't know how successful Zynga would be.

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.

Facebook is at the forefront. It's the company that can fundamentally change the way information is being exchanged and processed. It can be the basis for artificial intelligence to develop over time.

It’s not how much something’s worth today, it’s what it’s worth in five or 10 years.

Google never knew how successful key words would be.

It’s not about revenues: the fundamental economics in digital business is scale and margins. The top line has become the bottom line.

You have to travel globally today to know what's going on and maintain an edge.