Airsketcher Fan Follows You Around the Room

Then Airsketcher fan is just a regular ol’ desk fan, only it has an eye and will track you ruthlessly as you move around the room, mercilessly blowing air at you. However hard you might try, there is no escape.
Unless you put down the little flag that the Airsketcher uses to tell where you are, [...]

Source: http://www.wired.com/gadgetlab/2011/09/airsketcher-fan-follows-you-around-the-room/

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