My guess is that eventually (a lot of) web sites will become more like games, where the highest quality experience is achieved by maximally utilizing the amount

My guess is that eventually (a lot of) web sites will become more like games, where the highest quality experience is achieved by maximally utilizing the amount of resources available. So in that sense we could expect many websites' bandwidth usage to follow Nielsen's law [http://www.useit.com/alertbox/980405.html http://www.useit.com/alertbox/980405.html]