VIDEO My wifi data usage for September more than doubled. After an investigation, I traced it to the PBS app I downloaded to my Amazon Fire TV that month in order to watch the Country Music documentary. That PBS app was using more than all my other apps on Fire TV put together despite the fact I spent at least 10 times as long watching YouTube videos. So can any techie type out there explain WHY the PBS app used so much data? In fact, I suspect that the PBS app was using data even when I wasn't watching...