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"Instead, it combines patent-pending ultrasonic and RF technologies with three-axis accelerometers to track the precise absolute position and orientation in 3D space of almost any wireless accessory such as golf clubs, baseball bats, tennis racquets, and bowling balls".

Ummm, do they realize that there's enough patent infringement in there for Nintendo to outright shut them down as soon as they get wind of this? The likely nature is that this product will never reach the shelves. Don't get your hopes up too high. Seems like these guys don't know how to research existing patents.