From Will Wheaton, it seems that the RIAA has decided that all the people dancing and miming to music on YouTube are breaking the law and need sueing, so they are sending C&D letters to them.
None of these videos are being made with the intention of profit (internet fame maybe, but not profit) and all they show is that people love the music and want to share it. This is community lead marketing of the powerful kind – word of mouth. But no, obviously the only marketing the music industry want is their own. But the 5million plus views that the Pixie video has received are worth nothing in their minds. Something wrong somewhere. Meanwhile take a look at the Director Kevin Smith doing the same