Netflix uses Silverlight for digital restriction mechanisms. I'm not aware of
any other video streaming site that uses Silverlight, but if they exist, I'd
wager to guess that they do it, too. Flash Player also has digital
restriction mechanisms. Any such encrypted video is impossible to watch
Which one will play videos that show a silverlight prompt, and which one
covers all flash?
https://trisquel.info/en/wiki/play-videos-without-using-flash
How to make flash or silverlight videos work? Some important flash videos and
all silverlight videos do not play in Abrowser.
