Once we start believing that the apocalypse is coming, the amygdala goes on high alert, filtering out most anything that says otherwise.

Gossip, in its earlier forms, contained information that was critical to survival because, in clans of 150, what happened to anyone had a direct impact on everyone.

If the government regulates against use of drones or stem cells or artificial intelligence, all that means is that the work and the research leave the borders of that country and go someplace else.

The Net is allowing us to turn ourselves into a giant, collective meta-intelligence. And this meta-intelligence continues to grow as more and more people come online.

I love Keira Knightley. She's had a really versatile career, which I really admire.

We all - even at a base level, even a Republican - understand that the people with the money are the ones with the power. We all learn that.

There are regulators at the SEC and elsewhere who are really excited about the potential of the blockchain. They understand you can build a robust financial system - it would solve all your black swan problems. All kinds of mischief and games that are played in the current system become impossible in this system.

It is time for us to insist that we are accountable for the money that we are spending.