Just found this article and thought it was interesting. Sony's new Bravia range of TV's will have such special features as facial recognition for those who tend to fall asleep while watching tv as well as heat and motion sensors designed to help the unit save power........What could possible go wrong 
Sony's energy saving TVs watch you while you sleep | Environment | guardian.co.uk
Sony's energy saving TVs watch you while you sleep | Environment | guardian.co.uk