According to his website:
“David Weinberger writes about the effect of technology on ideas.

He is the author of Small Pieces Loosely Joined and Everything Is Miscellaneous, and is the co-author of The Cluetrain Manifesto. His most recent book, Too Big to Know, about the Internet’s effect on how and what we know.

Dr. Weinberger is a senior researcher at the Berkman Center. He has been a philosophy professor, journalist, strategic marketing consultant to high tech companies, Internet entrepreneur, advisor to several presidential campaigns, and a Franklin Fellow at the US State Department. He was for four years the co-director of the Harvard Library Innovation Lab, focusing on the future of libraries.”