Peer-to-peer file sharing is increasing in popularity on the Internet, faster than any product known in history. Although file-sharing can enable massive piracy, it has many advantages for distribution of information including scalability. Alternatively, file-sharing can be sabotaged with falsified files...http://www.google.com.au/patents/US8126918?utm_source=gb-gplus-sharePatent US8126918 - Using embedded data with file sharing
