While the unraveling of net neutrality in the US has sparked fierce debates the world over, there has been little in the way of solid scientific evidence to establish just how pervasive the practice is among ISPs. It turns out the tier 1 providers are pretty picky when it comes to throttling video streaming services and such ominous results will have left a few Republicans with Pai on their faces this week. AT&T, Sprint and Verizon have all been caught red-handed throttling OTT video services over their networks. Of course, this finding itself is no surprise. But one of the most intriguing findings from a year-long study conducted by the Northeastern University and University of Massachusetts Amherst, shows that T-Mobile,…