Among other things, if you become logged out of the device or it's reset you will no longer be able to login with an amazon account ( which is required ) to use the device

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ndiddy 3 hours ago | parent | next [-]

You can use the Kindle without an Amazon account if you're fine with loading all your books over USB. It will give you a nag pop-up telling you to log in each time you go to the main menu, but the pop-up doesn't show up while you're in a book so it's not a big deal.

	▲	mattmanser 2 hours ago \| parent [-]
		What is your point? That's still a major loss of functionality.

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bentley 39 minutes ago | parent | prev [-]

I’ve owned three Kindles and never used an Amazon account on any of them.