New tech turns your arm into a smart watch touchpad

A lot of people like the idea of a smart watch but don't like having to use a tiny touch screen.
Big fingers and a tiny screen can lead to frustration and errant screen commands.
Researchers at Carnegie Mellon University have developed a wearable technology that enables users to turn the skin on their lower arm into a touchpad, giving them a bigger surface to input information or commands to their smart watch.
Unlike other solutions that have used flexible overlays or a combination of a project