Quote:
Originally Posted by Jonas777
Depends on the store you buy the book from. Amazon stores the credit card number and thus you don't need to re-enter it with each buy. So far they only charges the card one time when you first "buy" the book, not for each read. But DRM could let them do that too if they want.
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We're talking specifically about eReader DRM here. That uses the credit-card number as the encryption key for the book.