The Internet is a computing platform built on top of core technology. Applied technology is what gets built on top of that: It's Web services.

Venture capitalists are professional money managers. We are provided capital to invest as long as we can return it to our investors with a strong return in a reasonable amount of time. A strong return is three times cash on cash. A reasonable amount of time is ten years max.

All markets have boom and bust cycles, and I think venture capital market has even more exaggerated boom and bust cycles.

Foursquare's adoption of a game dynamic when it launched is a particularly clever implementation of a social hook.

We need new medical approaches to preventing and/or curing disease. We need new scientific approaches to generating, storing, and being more efficient with energy. Maybe we need more space exploration. Maybe we need more undersea exploration.

Given New York City's cultural diversity, it has always attracted creative people.

Certainly anything that is news or opinion needs to be free on the Web, because the Web is this very fluid medium that is very much driven by links and the flow of visitors through a discussion via links.