It sounds like the perfect invention for all those couch potatoes who find even using a remote control just a little too much like hard work. Scientists have come up with a box that lets television viewers change channels, switch on the DVD player or switch off an irritating presenter with the wave of a hand. The controller's built-in camera can recognise seven simple hand gestures and work with up to eight different gadgets around the home.http://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=468265&in_page_id=1965
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