Generations of human beings were transformed into machines in the relentless pursuit of material wealth: We lived to work.

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

The very notion that millions of workers displaced by the re-engineering and automation of the agricultural, manufacturing, and service sectors can be retrained to be scientists, engineers, technicians, executives, consultants, teachers, lawyers and the like, and then somehow find the appropriate number of job openings in the very narrow high-tech sector, seems at best a pipe dream, and at worst a delusion.

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.

What's really clear to all of us in the business community is that GDP is slowing everywhere. And the reason is productivity has been declining now for 15 or 20 years all over the world. So we've got very high unemployment, and it's structural. And it's compounded by real-time climate change - that's really a game changer.

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.

James Watt patented his steam engine on the eve of the American Revolution, consummating a relationship between coal and the new Promethean spirit of the age, and humanity made its first tentative steps into an industrial way of life that would, over the next two centuries, forever change the world.