EDIT: The above link doesn't direct to the proper page. Try this one: http://www.nytimes.com/2010/09/03/technology/03youtube.html?_r=2 This article is from the New York Times, written by Claire Cain Miller and published on September 2nd, 2010. It discusses how copyrighted work is dealt with on YouTube, a video-viewing website currently owned by Google. A system called Contend ID is used to recognize videos/music that match up to material provided by copyright owners. Said owners can decide if the content should be taken down or left up. For example, someone uploaded a clip of Mad Men, a show owned by Lion's Gate. The clip was not taken down, because the revenue gotten from the advertisements surrounding the clip was enough to convince the copyright holders that leaving the video up was beneficial. This is because the money made off of YouTube ads is split between Google and the owner of the copyright, so both sides profit, legally.