In a blog about portable video, we opined about the impact of video in the new iPhone. Its portability and easy of use surely make it a game changer in many ways. But, now Apple has given that same capability to a different line of portable media devices, the iPod Nano. Doesn’t this run counter [...]

Today’s media would cover a 9/11 event in a drastically different way. Had Twitter existed in 2001, would it have been enough to change the course of history?