A file-sharing service and a hedge fund are essentially the same things. In both cases, there's this idea that whoever has the biggest computer can analyze everyone else to their advantage and concentrate wealth and power. It's shrinking the overall economy. I think it's the mistake of our age.

Criticism is always easier than constructive solutions.

It's as if you kneel to plant the seed of a tree and it grows so fast that it swallows your whole town before you can even rise to your feet.

I think seeking perfection in human affairs is a perfect way to destroy them.

Back in the 1980s, when the internet was only available to a small number of pioneers, I was often confronted by people who feared that the strange technologies I was working on, like virtual reality, might unleash the demons of human nature. For instance, would people become addicted to virtual reality as if it were a drug? Would they become trapped in it, unable to escape back to the physical world where the rest of us live? Some of the questions were silly, and others were prescient.

Advertisers and marketers should be looking to bring new experiences to different parts of the brain. It's a more profound idea than just dropping a billboard into a video game.

Spirituality is committing suicide. Consciousness is attempting to will itself out of existence.