This document discusses copyright and open licensing. It begins by defining key terms like author, copyright, and ideas that can be copyrighted. It then explains the exclusive rights given by copyright law, including getting credit, copying, distributing, licensing, selling, and performing. Creative Commons licenses are introduced as a way for creators to distribute their content widely while maintaining copyright. The different types of Creative Commons licenses are defined, including Attribution (CC-BY), Attribution-ShareAlike (CC-BY-SA), Attribution-NonCommercial-ShareAlike (CC-BY-NC-SA), and Attribution-NonCommercial-NoDerivs (CC-BY-NC-ND). Issues around using CC licenses and remixing open