Jeff Jarvis 9 cityfile 01/30/08 01:27PM Filed to: Jeff Jarvis Jeff Jarvis JeffJarvis Jeffrey A. Jarvis Jeffrey-A.-Jarvis Jeffreyajarvis Profiles Thisissomethingthatneedsattn Cityfile Profile Jeff-Jarvis This image was lost some time after publication.WhoFormerly the president of Advance.net, the digital arm of Si Newhouse's publishing empire, media vet Jeff Jarvis now teaches journalism, blogs at BuzzMachine.com, and pontificates on all things digital.