"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."

"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."

"People assume that computers will do everything that humans do. Not good. People are different from each other and they are all really different from computers."

"I don't believe society understands what happens when everything is available, knowable and recorded by everyone all the time."

"I may be the prat in the hat, that's cool, but I drive an Aston Martin DB5."

"I think we have to act like stars because it is expected of us. So we drive our big cars and live in our smart houses."

"When ambition meets humility, we find that the legacy we leave is written in the hearts of others."

"Listen, everything I did in my childhood was competitive. Everything we did my dad made it into a game to win. We used to drive my mum nuts."