Google and its competitors are playing the game of the early Peer to Peer providers: Google claim to do not infrige copyrights on all its produts: YouTube, Search engine at least.
Each movie recorded uploaded on YouTube by an individual (you, me) that is playing a copyrighted song must be removed from the website or Google should pay royalties each time someone plays a movie. Until now YouTube didn't find solutions with the majors and the companies managing the royalties to know how creators can be paid. All those trials will cost a lot of money to Google because:
Just for information: Microsoft paid $0.5 billion his lawyers when the United States asked them to split the company because of their hegemony at the end of the '90. Google doesn't have this power today!