I believe the concept here is a dual purpose device, the mouse can be used for either one of two things- A GPS receiver or a human interface device; No for tracking your hand movements. Having combined both in to one, just means one less thing you will need to carry around with you.
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I believe the concept here is a dual purpose device, the mouse can be used for either one of two things- A GPS receiver or a human interface device; No for tracking your hand movements. Having combined both in to one, just means one less thing you will need to carry around with you.