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.

If I were Mark Zuckerberg or any of these guys, I would say, "My God. How does the world expect us to deal with this?" I mean, it's too big a responsibility; I think they're going to welcome this. They'll maybe keep it in the private sector, but they'll welcome some form of regulatory operation because they've been so successful that they are a global, public good. Everyone needs them.

t century, hundreds of millions - and eventually billions - of human beings will transform their buildings into power plants to harvest renewable energies on site, store those energies in the form of hydrogen and share electricity, peer-to-peer, across local, regional, national and continental inter-grids that act much like the Internet.

With the communication internet, whole industries have been disrupted. You're in the publishing industry, you understand that. Before, we had newspapers, magazines - now you're on the web. I'm in book publishing. I don't have to tell you what's happened to us. Television has taken a hit. The music industry. But, thousands of new businesses have emerged on this new communication revolution platform. Not just Google, Facebook, and Twitter. There are thousands of operations. Businesses that are doing the platforms, the apps. They're mining the big data. They're creating the connections.

Back in 1983, the United States government approved the release of the first genetically modified organism. In this case, it was a bacteria that prevents frost on food crops.

We were making the first step out of the age of chemistry and physics, and into the age of biology.

We are hopeful that you will want to visit our planet in the near future. We are in the process of restoring our environment to its original grandeur, and hope to have completed the task before your RSVP.