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Microsoft will put his hand on the mouse
Mouse, which is worn on the hand, is a completely new idea, and Microsoft does use it in a new patent. The manipulator must wear on the hand, even when you're typing, the cursor can be turned on or off with one flick of the wrist. All this is done at the expense of the accelerometer, magnetometer and gyro sensors. It makes no sense to remind you that in the near future, such a device does not appear, but the idea is generally entertaining.