> Universal login using your Apple account: Walk up to any Mac, sign in as a guest using your Apple account credentials and you’ll be brought to the same desktop you get on your personal machine.<p>This is interesting. It sounds to me like something people think they want, but wouldn't really use that much without a big social shift - we're too attached to personal belongings (at least here in the US), and we're too mobile and independent to share.<p>Suppose people actually did want this, or thought they did - the result on sales sounds too unpredictable and risky to try, anyway. Would people start sharing computers more, meaning fewer sales? Or would they get more users temporarily by converting Windows users, but ultimately damage their ceiling through the new shareability?<p>This sounds like a dream that no one would implement.