Following the lead of a Dean from an Ethiopean university, who could see that the high cost of textbooks was holding back developing world countries, a group has got together to build a €500 book scanner that turns the pages via a vacuum. This new method differs from the ‘normal’ method of doing it by removing the binding of the book and, potentially, destroying the volume. You can read more on their Hackaday project page or see a video of it in action below: