Remember the wall that was also a television in Total Recall? That's the inspiration behind Surfaces -- a concept device produced by British cable mavens NDS. Abandoning the idea of a single screen, the company mounted six displays into a wall that offers up TV and internet content when on, and blends into your wallpaper when off. The setup will even control your room's lighting for those particularly emotive X Factor performances and you control the whole thing with your iPad (while
