The article makes a particularly good point regarding the ownership issue for DRM'd ebooks:
(my emphasis). It could indeed be argued that, by using the words "Buy now", Amazon have actually sold the product to you, no matter what their T&Cs say. Of course, to settle that argument, you'd need dozens of lawyers and millions of pounds ...If my conjecture about Linn's offense is correct, then she has not violated copyright, nor has she done anything that would upset a publisher. She's merely violated the thousands of words of impossible fine-print that comes with your Kindle, Nook, Kobo, and iPad, as have all of us. This fine print will always have a clause that says you are a mere tenant farmer of your books, and not their owner, and your right to carry around your "purchases" (which are really conditional licenses, despite misleading buttons labelled with words like "Buy this with one click" -- I suppose "Conditionally license this with one click" is deemed too cumbersome for a button) can be revoked without notice or explanation (or, notably, refund) at any time.