The old economy was about people acquiring a single skill for life; the new economy is about life-long learning.

I would staple a green card to the diploma of anyone that graduates with a degree in the physical sciences or engineering in the U.S.

Green-tech could be the largest economic opportunity of the 21st Century.

If we don't embrace a low carbon economy this decade, it won't just harm the planet, but also the U.S. economy.

Better biofuels are a really big deal. That means we can precisely engineer the molecules in the fuel chain and optimize them along the way. So, if all goes well, they're going to have designer bugs in warm vats that are eating and digesting sugars to excrete better biofuels. I guess that's better living through bugs.

People are looking to have more meaning in their lives. It is a sign the technology community is coming of age.

There's this large trend - I think the next trend in the Web, sort of Web 2.0 - which is to have users really express, offer, and market their own content, their own persona, their identity.