JEFF JARVIS, author of Public Parts: How Sharing in the Digital Age Improves the Way We Work and Live (Simon & Schuster, 2011) and What Would Google Do? (HarperCollins 2009), blogs about media and news at Buzzmachine.com. He is associate professor and director of the Tow-Knight Center for Entrepreneurial Journalism at the City University of New York’s Graduate School of Journalism. He consults for media companies and is a public speaker. Until 2005, he was president and creative director of Advance.net, the online arm of Advance Publications.