Quote:
Originally Posted by Katsunami
The same is true for ADE version 2.x. It still works, so books can still be de-DRM'd, but at some point in time, the switch will be thrown so only ADE 3.x books will be delivered to customers.
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I agree that Adobe also has strong reasons to continue enhancing their DRM, since that is the primary selling point of ADE.
Vendors want to make the process of removing DRM just difficult enough that most people won't bother. It won't stop e-book piracy, but it will prevent casual sharing and enforce customer lock-in.
For KFX a case can be made that it was engineered specifically for DRM:
- It requires multiple files per book, making it incompatible with popular e-book managers in its raw form.
- All books have strong encryption, even if they are allowed to be shared between users and Kindle devices.
- Images are stored in the obscure JPEG-XR format, hindering conversion.
- This is more speculative, but it appears that the actual book contents may be more like a reflowable PDF than an EPUB, making it difficult to render outside of Amazon's ecosystem or to convert to a more open format.
(I may be over analysing it. An argument can be made that these features all serve other purposes.)