Paul Levinson, a professor of media studies at Fordham in NYC, talks here about what Web 3.0 might look like. (Start the video at 17:23.) If he's right, I'm not sure that even this gadget geek (meaning me) wants to go there. This clip comes from a YouTube channel called The Alcove, a program that features interviews with various influential thinkers. We're adding the channel to our post called Intelligent YouTube: 80 Smart Video Collections.