The computer industry is the only industry that is more fashion-driven than women's fashion.

I could have made money this way, and perhaps amused myself writing code. But I knew that at the end of my career, I would look back on years of building walls to divide people, and feel I had spent my life making the world a worse place.

A smartphone is a computer - it's not built using a computer - the job it does is the job of being a computer. So, everything we say about computers, that the software you run should be free - you should insist on that - applies to smart phones just the same. And likewise to those tablets.

The paradigm of competition is a race: by rewarding the winner, we encourage everyone to run faster. When capitalism really works this way, it does a good job; but its defenders are wrong in assuming it always works this way.

I've wanted recognition; I wanted success; I wanted appreciation; I love the perks of being in the movies. I love the fame that comes with it - but that's why I became an actor.

Betting on the success of innovative technologies in the marketplace can carry all the uncertainty and risk that betting on the next card in the deck does at a blackjack table in Las Vegas. There is a factor of randomness that must be factored in, but precisely how to do so is anyone's guess.

In certain businesses, I would say 10 failures to one success is a perfectly acceptable ratio. Because the failures die pretty quickly, they're not that expensive, and the successes can be really huge.

For example, the equivalent of a woman being treated as a sex object is a man being treated as a success object.