Copyright in a global information economy / Julie E. Cohen, Mark Claster Mamolen Professor of Law and Technology, Georgetown University Law Center; Lydia Pallas Loren, Robert E. Jones Professor of Advocacy and Ethics, Lewis and Clark Law School; Ruth L. Okediji, William L. Prosser Professor of Law, University of Minnesota Law School; Maureen A. O'Rourke, Dean & Professor of Law, Michaels Faculty Research Scholar, Boston University School of Law.