O'Reilly had the serious flaw that you could just claim you own a book by adding its IBAN to your account's library and thus being able to "upgrade" it and obtain the ebook version for $5. I wonder why that worked as…
O'Reilly had the serious flaw that you could just claim you own a book by adding its IBAN to your account's library and thus being able to "upgrade" it and obtain the ebook version for $5. I wonder why that worked as…