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lend ebooks?
Hey all, frequent reader, infrequent poster. Is there a way to use calibre to add some sort of permission to an ebook that would allow a person to export the ebook to his device, but after a certain period of time, the ebook would expire and be inaccessible (by self-destructing or locking down or something)? If Calibre doesn't do this, anyone have any idea about how I could accomplish this?
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