Of course, we fervently hope that you'll never have to use this particular feature, but just in case you do run into the need, it's good to know that you have a safety net. Because the only thing worse than that breathless moment of realizing you've misplaced your iPhone, iPod touch, or iPad is knowing that with just a little preparation you could have made it easy to resolve the situation and get your device back.
[Dan Moren is a senior associate editor at Macworld.]