I'm able to bring business expertise but, more importantly, operating experience. The people here at Google are young. Every day there are lots of new challenges. I keep things focused. The speech I give everyday is: "This is what we do. Is what you are doing consistent with that, and does it change the world?"

Technology will move faster than governments, so don't legislate before you understand the consequences.

In a world of asynchronous threats, it is too dangerous for there not to be some way to identify you. We need a [verified] name service for people. Governments will demand it.

You have to fight for your privacy or you lose it.

The characteristic of great innovators and great companies is they see a space that others do not. They don't just listen to what people tell them; they actually invent something new, something that you didn't know you needed, but the moment you see it, you say, 'I must have it.'

Half of Google's revenue comes from selling text-based ads that are placed near search results and are related to the topic of the search. Another half of its revenues come from licensing its search technology to companies like Yahoo.

Android is ahead of the iPhone now.