Free Culture: How Big Media Uses Technology and the Law to Lock Down Culture and Control Creativity (published in paperback as Free Culture: The Nature and Future of Creativity) is a 2004 book by law professor Lawrence Lessig that was released on the Internet under the Creative Commons Attribution/Non-commercial license on March 25, 2004. This book documents how copyright power has since 1974 in five critical dimensions: It also documents how this industry has successfully used the legal system to limit competition to the major media corporations through legal action against: