David "Doc" Searls (born July 29, 1947), is an American journalist, columnist, and a widely read blogger. He is the host of FLOSS Weekly, a free and open-source software (FLOSS) themed netcast from the TWiT Network, a co-author of The Cluetrain Manifesto, author of The Intention Economy: When Customers Take Charge, Editor-in-Chief of Linux Journal, a fellow at the Center for Information Technology & Society (CITS) at the University of California, Santa Barbara, an alumnus fellow (2006–2010) of the Berkman Center for Internet & Society at Harvard University, and co-host of the Reality 2.0 Podcast.