Techdirt has a great write-up about a school district that is spending over $2 million to switch back to paper textbooks after investing heavily in an on-line model. The problem? Surprisingly, it's not one of those, 'There isn't enough content available yet!' situations. There is content. But the hardware requirements to run it, in this age of multimedia, are so high that students who can't afford broadband Internet at home can't use them! Techdirt posits this as a form of DRM—they add in the 'bells and whistles' to prevent students from downloading an offline version. But it's more than that—it's not just broadband...