President Obama, I voted for him. I think he's a mature politician, but here's what happened. Obama wanted a green economy. He spent billions of dollars of tax money to create a green economy and it didn't happen. The question is why.

In this country, the health concerns and the environmental concerns are as deep as in Europe. All the surveys show that. But here, we didn't have the cultural dimension. This is a fast-food culture.

The interesting thing is, while we die of diseases of affluence from eating all these fatty meats, our poor brethren in the developing world die of diseases of poverty, because the land is not used now to grow food grain for their families.

Now in Wikipedia it's really interesting. If you put something incorrect up on Wikipedia within minutes there are people crawling all over that sentence saying, "This is wrong" or "I want to change this" or "You've got to include an amplification," et cetera. So there's this massive checks and balances that actually makes that accuracy work. This is the kind of model that we - and I'm not sure why no one's discussing this - that we now have to begin to apply to fake news.

What makes the IoT a disruptive technology in the way we organize economic life is that it helps humanity reintegrate itself into the complex choreography of the biosphere, and by doing so, dramatically increases productivity without compromising the ecological relationships that govern the planet.

When you're sharing the music, you're not buying the CD. When you're sharing that video, you're not buying the TV. But we thought, really, there'd be a firewall. While near-zero marginal cost would impact virtual goods, we never thought it would move over to the physical world.

The prospect of cheap fusion energy is the worst thing that could happen to the planet.