- with DRMed books, Amazon says "yes, you >>have<< these ebooks, you paid for them [wink]", but Amazon actually can take them away from you and you can do nothing about it. You paid [for ebook copies] and are left with nothing
- in piracy, a person who gets pirated copies of a book says "yes, if I want to read your books, dear authors/publishers, I'll pay for them [wink]", but that person can actually get any number of books from you for free. You paid [for publishing/marketing] and are left with nothing