The document provides an overview of open educational resources (OER), including their history, definitions, types, advantages, and major initiatives. It discusses what OER are, how they can be found, remixed, licensed, and shared. Key points include: OER being freely available educational content that can be reused, revised, remixed, and redistributed; major initiatives like MIT OpenCourseWare, Khan Academy, and TESSA in Africa promoting OER; and Creative Commons licensing enabling open sharing of content. Major organizations supporting OER include UNESCO, Commonwealth of Learning, and Hewlett Foundation.