What can happen when you and Amazon disagree about something in the so called User Agreement? Well, Amazon can wipe out all your downloaded material, remotely. And you have nothing to say about it. You don’t own all the books you clicked the button for, even though the site encourages you to think so….like “Buy It Now” or something. But it’s not a sale: it’s a lease. All this is called Digital Rights Management or DRM, and the success of online books and the proliferation of e-readers has obscured the fact that the rights picture is exactly the same as it was 10 years ago. If Amazon, or any other content provider, thinks you have violated the terms of service, it can in a click erase everything you may have paid money for. So, walk carefully. And don’t talk about your rights because you don’t have any.