Now where did I leave my keys? Bluetooth trackers can help

Never lose your key again, by using these Bluetooth accessories that enable your phone to track the location of whatever it's attached to. — dpa

Trackers for keys and the like have been around for a while now, but only now that Apple and Samsung have joined the game are they really making waves with their simple idea: Helping us find things everyday objects by making a noise.

The Apple and Samsung trackers only work within their own ecosystem so you need to have an iPhone or a Samsung Galaxy smartphone. The Tile and Musegear trackers will work with both iPhones and any Android smartphone. But there's more to it than just compatability.