Some E-Books Are More Equal Than Others - Pogue’s Posts Blog - NYTimes.com

"This is ugly for all kinds of reasons. Amazon says that this sort of thing is “rare,” but that it can happen at all is unsettling; we’ve been taught to believe that e-books are, you know, just like books, only better. Already, we’ve learned that they’re not really like books, in that once we’re finished reading them, we can’t resell or even donate them. But now we learn that all sales may not even be final. "