John Doerr

Green technologies - going green - is bigger than the Internet. It could be the biggest economic opportunity of the 21st century.

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

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.

With Windows 8, Microsoft is trying to gain market share in what has been dominated by the iPad-type device. But a lot of those users are frustrated. They can't type. They can't create documents.

Political differences will always generate a healthy debate, but over time the dialogue has become more hateful and at times violent.

I'm quite content to spend my life helping young people find themselves. I've had my fill of politics.