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Ask HN: Why does Amazon allow multiple accounts with the same email address?
We noticed a few days ago that my girlfriend has two accounts on Amazon (UK - not sure if that makes a difference,) each of which can be logged into with the same email address. The only differentiator at login time is the different password used to log into each account.<p>If she enters one password, she logs into her older account with her old address. With a different password, she logs into her newer account with our newer address, a Prime account.<p>There's no information shared between the accounts, the order histories, names, addresses and so on are all separate.