Lawrence Lessig is Professor of Law and Professor Emeritus University John A. Wilson at Stanford's Law Faculty. He is also the founder of the Stanford Center for Internet and Society, president of Creative Commons and member of the Ocense Directors of the Public Library of Science, the Electronic Frontier Foundation and Public Knowledge. Considered one of the most reputed legal authorities in the field of intellectual property and digital freedoms, he is also one of his best vallers. And this both theoretically and practice: L. Lessig is owed the design of the well -known Creative Commons licenses. Author of innumerable articles and several monographs, in Spanish you can read: for a free culture (Dream Traffickers, 2005) and the Code and other laws of cyberspace (Taurus, 2002), of which this edition is an expanded update.