The document discusses openness in scholarly publishing and teaching materials. It introduces Creative Commons, a nonprofit that provides free copyright licenses to allow sharing and reuse of creative works. There are 6 main Creative Commons licenses that combine elements of attribution, sharealike, noncommercial, and noderivatives. Open access publishing and open educational resources are also covered, with the goals of making research and educational content freely available online under open licenses. Examples of open access repositories and journals as well as open educational resources are provided. The document encourages using open licensing to increase access, collaboration, and impact of scholarly and educational works.