You can't pick up the telephone and say, 'Connect me with someone else who has a kid with leukemia.'

The Orwellian vision was about state-sponsored surveillance. Now it's not just the state, it's your nosy neighbor, your ex-spouse and people who want to spam you.

There is never going to be a substitute for face-to-face communication, but we have seen since the alphabet, to the telephone and now the Internet, that whenever people find a new way to communicate, they will flock to it.

You can't have an industrial revolution, you can't have democracies, you can't have populations who can govern themselves until you have literacy. The printing press simply unlocked literacy.

People look at me, and I dress a little unusually and they think, 'Oh you must be from California.' Of course, people in California think, 'Oh you must be from from Mars,' so, you know, your next-door neighbour is not necessarily the person that you are going to make a connection with.

When designers replaced the command line interface with the graphical user interface, billions of people who are not programmers could make use of computer technology.