Angry Young Men is a journalistic catchphrase applied to number of Britishplaywrights and novelists from the mid-1950s. Their political views were seen as radical, sometimes even anarchic, and they described social alienation of different kinds.
... of existing "digital rights management" and "copy protection" systems:
Serial copy management system[?] (SCMS)
Macrovision
iTunes
Windows media player[?]
...