Freespace motion sensing has been developed by Logitech to perfect the use of this mouse. You can just move it around in the air and click with features for volume control, scrolling, and configurable buttons. It can be used on a desk as well as in the air, but it is only currently compliant with Windows. It has a rechargeable Li-on battery which charges on the little docking station. This technology really changes the way we can use a mouse, but I wonder how people get used to it and how successful it can be. Price: $150

Link: UnCrate