Cannot agree more. It's only convenience for me as well. An mp4/mkv file has no ads, doesn't care about my browser version and will play perfectly on the plane

Cannot agree more. It's only convenience for me as well. An mp4/mkv file has no ads, doesn't care about my browser version and will play perfectly on the plane or in any country. Ah, and I can have it in any language available with any subtitles. Sorry, but all that proprietary crap out there can't beat that.