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I have copied the "bundled" books from the kindle with USB, then use kindle in PC to open it. It shows "unable to open, download again". I am still wondering how specific are these books. They are specific to machine so that I can only open them in that particular machine? or they are specific to the buyer ID so that they cannot be opened with other registered ID? If it is the former case, why I can't "achieve" it (i was told so, i can't achieve any books not brought by me, they disappear)? if it is the latter case, why I can still open the books after the previous owner dereg the reader and then i reg the reader under my name?
perhaps they are running a mixed mode?
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