Clay Shirky teaches at the Interactive Telecommunications Program at NYU, where he researches the interrelated effects of our social and technological networks. He has consulted with a variety ofgroups working on network design, including Nokia, the BBC, Newscorp,Microsoft, BP, Global Business Network, the Library of Congress, the US Navy, the Libyan government, and Lego. His writings have appearedin the New York Times, the Wall Street Journal, the Times of London, Harvard Business Review, Business 2.0, and Wired.