According to market research firm NPD Group, in the third quarter of 2006, nearly 60 percent of video files downloaded from P2P sites were adult-film content, 20 percent were TV shows, and 5 percent was mainstream movie content.
Source: NPD Group, “The NPD Group: Peer-to-Peer Digital Video Downloading Outpacing Legal Alternatives Five to One,” Press Release, December 20, 2006,(accessed: December 29, 2006).