This document discusses open educational resources (OER) including definitions, arguments for OER, categories of OER providers, and challenges. It defines OER as educational materials that are freely available online for anyone to use and that can be adapted. Benefits include broader dissemination of knowledge and faster innovation. Institutions are motivated by leveraging taxpayer money and competition, while individuals are motivated by access to resources and altruism. Challenges include lack of awareness of copyright, ensuring quality, and developing sustainable business models for OER initiatives.