Quote:
Originally Posted by odamizu
By "matching EBOK" I mean a file identical to a version supplied by Amazon
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I find it hard to believe that Amazon would track every single book ever delivered to every Kindle.
Amazon's DRM algorithms have changed and books can change but remain the same ASIN (you get notified that a book has been updated). Because of this, a book on a Kindle is unique from that book on all other Kindles, but also every delivery of that book to the same Kindle might have changed something.
This would mean keeping track of hundreds of millions (billions) of unique "download IDs" solely for the purpose of "helpfully cleaning up" the Kindle database.
No, I suspect it's merely a "our database doesn't say that the ASIN is supposed to be on that Kindle, so we'll nuke it". There is likely no check about the "validity" of the book. I suspect that if you did a "download and transfer via USB" the book would remain even if you had done some editing.