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.

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

We're about to see an acceleration in technological platforms that, for marketers, will be on a scale rivalled only by the arrival of color TV.

We want to make sure the thing you're looking for is on Google 100 percent of the time.

The rise of Google, the rise of Facebook, the rise of Apple, I think are proof that there is a place for computer science as something that solves problems that people face every day.

We don't have a traditional strategy process, planning process like you'd find in traditional technical companies. It allows Google to innovate very, very quickly, which I think is a real strength of the company.

There clearly are cases where evil people exist, but you don't have to violate the privacy of every single citizen of America to find them.