The Nielsen Company has announced that its estimated number of TV households for 2012 is dropping to 114.7 million (96.7 percent), down from 115.9 million (98.9 percent) the year before which is the first time it's gone down in two decades. While some will say this marks the end of the TV era as we've known it, there are a couple of factors to take into account, starting with how numbers are gathered -- Nielsen only counts TVs that are capable of tuning into at least one channel. If you've cut the cord and gone all internet / Blu-ray / DVD without putting up an antenna or