This new technology turns any object into TV remote

The 'Matchpoint' technology, which only

a

requires a simple webcam, works by displaying moving targets that orbit a small circular widget in the corner of the screen.

These targets correspond to different functions - such as volume, changing channel or viewing a menu. The user synchronises the direction of movement of the target, with their hand, head or an object, to achieve what researchers call 'spontaneous spatial coupling', which activates the desired function.

http://economictimes.indiatimes.com/tech/hardware/this-new-technology-turns-any-object-into-tv-remote/cant-find-your-tv-remote-again/slideshow/60909817.cms