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.

If you want to accomplish something in the world, idealism is not enough - you need to choose a method that works to achieve the goal.

Our technology promises the magic of constant connectedness. Yet we feel loss in being atomized on separate screens, trapped in filter bubbles of belief, bobbing in a sharing economy in which the technologists seem to own all the shares.

Nowadays, social media is the easiest place to go to find something.

On scores of sites, users can upload illegal files of my books. As per 1998's toothless Digital Millennium Copyright Act, I bear the burden of discovering and reporting each theft.

I think there's a lot of crazy stuff on the Internet. You read stuff that is wild speculation, and there's an element of it that makes me not trust it because there's this undercurrent of insanity to it sometimes.