DRM, the Designated Regret Model for ebook readers

Some people prefer to read on vacation, some prefer to do it while listening to music, some prefer silence, some prefer to do it upside down or in the bath or only between the hours of 4 and 6 in the afternoon. With physical books, we are at the mercy of the publishers and designers for the format of the book, but it is only with ebooks that we are at the mercy of international digital conglomerates about the exact manner in which we can access an object for which we have paid.