said by Crookshanks:Why do you assume that the cell phone's screen is the one displaying the full length movie? What if I want to tether my cell phone to my 18.4" Vaio laptop? said by BF69:
What can you do with 2 GB a month on LTE?
And before you say "video", most people who use "mobile video" are watching stupid Youtube clips of cute kittens, talking parrots, and funny television commercials. Few people want to watch full length movies on a cell phone (or a tablet) screen.