It's a mistake to predict the size of markets that are so new. This model has shown no signs of slowing down. So we are going to get as much of it as we possibly can, and when we get close to that we'll figure out other problems.

I think of Google as a set of overlapping things. It's a consumer platform, consumer phenomenon of which search is its fundamental activity, but there are many other things you can do than search... I think of Google as an advertising company who services the broader advertising industry in the ways that you know.

Every two days now we create as much information as we did from the dawn of civilization up until 2003.

Twitter can no more produce analysis than a monkey can type out a work of Shakespeare.

The solution to government surveillance is to encrypt everything.

Even though Google may do very well, there will always be an alternative to what Google is doing, and people will always have the free choice... because there's no way for us to prevent them from exercising that choice. That is one of the key aspects of why the Internet has been so successful. No technologies can dominate.

For those who say you're thinking too big... be smart enough not to listen. For those who say the odds are too small ... be dumb enough to give it a shot. And for those who ask, how can you do that?... look them in the eyes and say, I'll figure it out.