
Some old people are oppressed by the fear of loneliness and therefore they would like to keep an eye on their children, which makes them feel as if they’re surrounded by the whole family. Then they’ll need a “Key-Ping Touch”, a GPS locator that runs on a system of keys. As each key is kept by a user who also has a board, he or she will be connected to another user who has agreed to connect boards, just in the same way you use Bluetooth. In that case, you may find how far they’re away from the house by judging the light gets brighter or dimmer. Amusing!In addition, each knob is also a magnet, which enables you to hold pictures of the person that the knob presents.
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