O'Reilly mentions the dubious nature of "loss" estimates due to piracy. They are also dubious for the rarely mentioned reason the the people who download music in mass do not have money to spend on many CDs or movies. The "lost" revenues often did not exist at all. But those playlists and Divx movies may translate to purchases as the "pirate" increases his or her earning power, and wants to own favorite media with liner notes and dvd extras.