David Weinberger is the co-author of the international bestseller The Cluetrain Manifesto and the author of Small Pieces Loosely Joined. A fellow at Harvard University, Weinberger writes for such publications as Wired and the Harvard Business Review and is a frequent commentator for NPR’s All Things Considered. In 1994, he founded Evident Marketing, a strategic marketing firm on technology issues. He lives in Boston.