Motorola this week added in a voice-activated (ahem, "Touchless Control" feature that helps you find your phone if you've left it laying around somewhere. Speak the words "OK, Google Now." (And then wait a few seconds, because there's still a wee bit of latency there.) Then follow up with "Find my phone." Providing that your phone can hear you, you'll be rewarded with an active sonar-sounding ping
That's all fine and dandy if your phone's out in the open somewhere — it's just that you don't know where it is.
But what if your phone's fallen into the couch cushions? Or slipped between the sheets? Only one way to find out.