Creative Commons was created in response to an outdated copyright system that strictly regulated copying and sharing. It is a global nonprofit network that provides copyright licenses to enable sharing and reuse of creative works. The Sonny Bono Copyright Term Extension Act of 1998 extended copyright terms, which was upheld by the Supreme Court in Eldred vs Ashcroft despite arguments that it distorted the balance between private incentives and public domain. In response, Lawrence Lessig and others created Creative Commons in 2002 to provide free public licenses that allow creators flexibility and sharing, standardizing methods to copy, mix, share, edit and use copyrighted materials. Over 1.1 billion works now use Creative Commons licenses.