Plan A, we suspect, is not losing your phone. Plan C is biting the bullet and buying a new one. Plan B, on the other hand, is an Android app that helps you locate a missing handset even if you don't have it installed when you misplace the device. Sounds too good to be true, right? Turns out the thing actually works, something an Ars Technica writer discovered the hard way, after his phone slipped out his pocket during a cab ride from the airport. What follows is a wild mobile goose chase -- one, thankfully, with a happy ending. Get the full story in the source link below.

Switched On: When apps meet traps