The Cobra Tag helps to find lost keys or a misplaced phone with the aid of an app.
This Bluetooth-enabled key fob promises to help scatterbrains like me keep track of their keys and Android or BlackBerry smartphone by giving a notification when the two are separated.
Read more about the Cobra Tag.
Light bulbs you shouldn't buy
There are plenty of dimmable LED light bulbs, but make sure you don't buy the ones that flicker when you dial them down.