?The biggest tech story of 2007 occurred shortly after the new year when Apple announced the iPhone at the MacWorld Expo in San Francisco,? writes Larry Magid (cbsnews.com) in his assessment of the tech innovations for 2007. And, Magid points out, Apple ?also came out with a new operating system last year called Leopard.? In fact, ?unlike the lukewarm response to Vista, Mac users seem to be generally impressed by Leopard.?
