It's an unfortunate fact that the pricey pocket computers we carry around with us at all times are prime targets for thieves—as well as very easy to leave behind in subway cars or on coffee shop tables. Now that we all rely on our smartphones for so much, having one stolen or misplaced can feel like the end of the world. But it doesn't have to be, not quite. Here are the preparations you can take before the worst happens, and what to do if it does.

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