David Weinberger, Ph.D. is a fellow at Harvard’s Berkman Center for Internet & Society. He is a co-author of the best-selling Cluetrain Manifesto, and the author of Small Pieces Loosely Joined. He has written for Wired, Salon, The Guardian, The NY Times, USA Today, Harvard Business Review and many others. His new book, Everything Is Miscellaneous, will be published in May by Times Books. He lives in Brookline.