Now, this is something really tempting. You could use your mouse in the air. Well, it's not exactly the mouse but a mouse-like device named Gyration GyroTransport. All you need to do is to wave back and forth the device in the air and the pointer will move accordingly on the computer screen like it was a run of the mill mouse.

The eye-catching features of the wireless Gyration GyroTransport are its miniature size, left and right click buttons. The enticing device comes for $200. Here is a video illustration of the cute device in action.
Via: Gadgetizer