We need to stop thinking of and talking about ebooks as books, and more as we would an app or a software package: Ebooks are computer code that display text and pictures instead of instructing our tablets to do some task. Not only can we not legally fiddle with such proprietary software, but we can’t “buy” it, either — we lease it, according to terms and conditions set by the manufacturer.

The Abomination of Ebooks: They Price People Out of Reading | Wired Opinion | Wired.com