That's an interesting question. I would say that in general Americans know very little about the law. It's one of those things that most of us take for granted.
I personally believe that the iPod is a frankly corrosive device because it encourages you to surround yourself with your favorites. The whole idea of a playlist is to surround yourself with your favorite things, and the interesting thing is that when you do that, they cease to be your favorites.
Much of outcomes research is a systematic attempt to exploit what is known and make it better.