It will be easier to add peripherals when PCs are free of internal slots and conventional serial and parallel external ports, Whalley adds.

CNN: Technology - Intel: Make PCs simpler

While there are several peripherals that add keyboards and joysticks to smartphones, Sensus goes one step further by adding touch input to a device's entire outer surface.

ENGADGET: Canopy's Sensus gaming case protects your iPhone 4 / 4S, adds plenty of new touch sensors (update)