TV ads: They're loud, they're intrusive, and, in this age of on-demand streaming from Netflix and its competitors, they're increasingly anachronistic. And yet, the television industry has been sticking to its guns with a vehemence that would make Charlton Heston proud.Related StoriesSurface smartwatch in prototype with modified Windows 8, reports sayApple to buy company behind Microsoft Kinect's 3D sensor?