Consultant and professor at New York University's Interactive Telecommunications program
Shirky's rule: Once people who know what they are doing show up, it's time for him to move on. That's why after almost a decade as an authority on the socialization of the Internet, he's shifting his focus to what he calls "journalism in the age of the amateur." He's taking a leave from New York University to teach at Harvard's Kennedy School on the topic and come up with some solutions for the ailing industry. "It's no fun just being the guy who's diagnosing the problems," the 46-year-old professor says. --B.K.
NEXT: Analyst runner-up: Fred Wilson
Last updated July 09 2010: 1:19 PM ET