This document introduces Creative Commons (CC) licenses and Open Educational Resources (OER). It discusses what CC licenses are, how they provide alternatives to traditional copyright, and the benefits of using them such as allowing for more sharing and collaboration. It outlines the six main CC licenses and how they determine how others can use and modify shared content. It encourages educators to search for and use CC-licensed resources for teaching and to share their own work under CC licenses to enable greater reuse and remixing by others.