“…126 Initially, YouTube's amateur UGC included much copyrighted music and film video, either directly pirated by its users or restaged in their 'homecasts', and thus attracted infringement lawsuits by the major, typically Hollywood-based, media companies that owned the properties. 127 In response, YouTube introduced software identifying when professionally produced content is uploaded; the company then offers rights holders a removal of the IP or persuades them the content's continued display on the video sharing platform will not harm but help its exploitation, by winning increased audience exposure and generating advertising revenue via Google's AdSense programme. 128 Indeed, the first years of YouTube's history are chiefly marked by its shift from a pre-Google, 'ad-free' business model, to an 'ad-friendly' model following Google's purchase.…”