There are two big trends in data and streaming. The first is data caps, which limit how much bandwidth you can use in a month without paying extra. The other is zero-rating, where certain video services come to an arrangement with carriers to be exempt from those data caps. In theory, it’s a win for everyone: consumers, carriers, and streaming companies. But nobody, including the FCC, is quite sure if it’s actually, y’know, legal. [More]