The patent also mentions a motion tracker, haptic feedback, and a wireless charging ... And now, the rant. Microsoft considers this mouse, which again is essentially an updated Arc that folds ...

No longer will you have to grapple with the discomfort of a traditional mouse; the ProtoArc wireless trackball mouse, currently available on Amazon at a discounted rate of 33.34%, is designed to ...

That was a massive expense for a PC accessory back then, and today that price would be more than enough to get a very fancy wireless ... the Arc Mouse, and more. It now seems like Microsoft's ...