David Carr on what an Apple tablet might mean for magazines: "A simple, reliable interface for gaining access to paid content can do amazing things: Five years ago, almost no one paid for music online and now, nine billion or so songs sold later, we know that people are willing to pay if the price is right and the convenience is there. ... Of course, if loads of quality content are available free elsewhere, no interface is going to make paid content attractive. A large number of publishers will have to step to the other side of the pay wall if paid digital content is going to gain any traction." Read More...