America's largest internet providers have been accused off ripping off customers and 'throttling' their internet connections. Major providers, including AT&T, Time Warner and Verizon, are all slowing users, many slowing to the speed of a dial up connection at times - despite recent net neutrality rulings which outlaw such practices. Researchers analysed online tests taken by 300,00 people in major cities. This test measures whether interconnection points are experiencing problems. It runs speed measurements from your (the test user’s) ISP, across multiple interconnection points, detecting degraded performance. They says the evidence collected points to slowdowns for users on the networks of five of the largest Internet access providers — AT&T, CenturyLink, Comcast, Time Warner Cable and Verizon — which represent 75 percent of all U.S. wireline householdsReport analysed results from 300,000 internet users in major citiesFound AT&T, Time Warner and Verizon  all slowed data speeds at times
'In truth, the big phone and cable companies are terrified that so many people are performing the speed tests and compiling data on what ails the _.,' he said.