Currently we don't have plans on conquering the world.

When it’s too easy to get money, then you get a lot of noise mixed in with the real innovation and entrepreneurship. Tough times bring out the best parts of Silicon Valley.

But the vast majority of books ever written are not accessible to anyone except the most tenacious researchers at premier academic libraries. Books written after 1923 quickly disappear into a literary black hole.

Ultimately you want to have the entire world's knowledge connected directly to your mind.

We deal with all varieties of information. Somebody's always upset no matter what we do. We have to make a decision; otherwise there's a never-ending debate.

People try new things all the time. By now, the people who succeed have to be very sophisticated.

As we go forward, I hope we're going to continue to use technology to make really big differences in how people live and work.