David Weinberger writes about the effect of the Internet on our ideas. He has a Ph.D. from University of Toronto, and is a senior researcher at Harvard's Berkman Klein Center for Internet & Society. For almost five years he co-directed Harvard's Library Innovation Lab. He is the co-author of The Cluetrain Manifesto, considered a seminal work in Internet business. He is the author of Small Pieces Loosely Joined about how the Web rewrites our understanding of our relation to the world; Everything Is Miscellaneous, about the profound changes in how we understand the organization of the things in our world; and Too Big to Know about the networking of knowledge. Dr. Weinberger has written many times for Harvard Business Review and Wired, and his work has appeared in journals as diverse as Scientific American, The Atlantic.com, Science, The Chronicle of Higher Ed, Salon, Smithsonian, USAToday, and TV Guide. He has been a frequent NPR commentator, is a columnist for several journals and sites, has been an advisor to presidential campaigns, was a Franklin Fellow at the U.S. State Department 2009-2011, and was a journalism fellow at the Harvard Shorenstein Center for Media, Politics, and Public Policy. He lives in Boston.