T-Mobile's CEO John Legere was caught in a lie by the EFF about its Binge On program. Binge On allows T-Mobile customers to stream video from a number of partners without counting toward data caps. It does this by downgrading all video to 480p, but T-Mobile has claimed that the video is also being optimized in the process. The EFF investigated this claim and found out that T-Mobile is simply throttling video streaming. They also discovered that it isn't just downgrading video from the Binge On partners, but all video streamed over T-Mobile's network.
Read more at TheVerge.com