When I was in university I would have loved to have all my textbook in one (really small and really light) Kindle as opposed to hauling around 3 or 4 textbooks

When I was in university I would have loved to have all my textbook in one (really small and really light) Kindle as opposed to hauling around 3 or 4 textbooks every day. Even if the margin is only the 30% printing costs it would pay for itself a couple of times over for a four year degree.