This Earlarm is a pretty cool idea. It’s a tiny alarm clock that clips onto your ear and get be set to provide a personal notification at the pre-set time.

The functionality is nothing special. You set the time you want it to go off and it does, but the design allows it to be discrete and out of the way. The alarm is directly in your ear so no one else hears it and can be used for times when you need to be reminded of things but might not be wearing a watch or are near an alarm, such as traveling on mass transit or studying at the library.

Having this device wake you up in the morning without waking up others, like in a dorm room, would be another cool application although the Earlarm looks like it may be a little difficult to …