Quote:
Originally Posted by QuantumIguana
At that point, nothing prevents anyone from changing the book. If I wanted to, I could get a hold of a Harry Potter e-book, and make changes to the story. However, no one would want it. Thus, it is not Rowling having the control over the book that prevents people from changing it. It is the book itself, if I made changes to the book, it wouldn't be the book that people wanted.
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Of course you can change the ebooks right now if you wanted. The thing I wanted to mean her beeing in control was: JKR can honest and truthfully say that her ebooks never once got copied or changed. How can you mess with something that does not officially exist.
I believe a public key encryption system is needed for ebooks to verify that a book has not been modified. Very interesting in fact that DRM is thought of, but not a digital signature for a ebook. With that it would even be possible to keep track of revisions of a ebook similiar to different print runs in pbooks (e.g. typos get fixed, revision number goes up).