The KeyMouse\u2122 is a keyboard and a mouse. It allows users to operate the mouse without moving their hands out of typing position. No more moving your hand back and forth between the keyboard and mouse.
Abandoned pens and other such stationery stand a chance at purposeful usage, thanks to the Pen Printer. The device uses the ink from discarded pens to print on paper. The current tech may not support such an ambitious idea, but it’s worth the exploration, since many of us have bundles of uncapped and discarded pens in our drawers for no apparent reason.
WonderCube - Everything your Phone Needs in a Cubic Inch