content: It would be terribly convenient to be able to take HD copies of several shows with you on your phone, incase you'll be going somewhere with no data, slow data, or expensive data, and you're not sure which show exactly you'll be in the mood for when you get there. Video gets mostly streamed these days, and so people don't think about how large those files are, particularly when in HD. But  617   (for example,) a single season of an anime at just 720p can be upwards of 20GB.