An online classroom allows instructors to enhance their classes by providing a repository of knowledge and facilitating extended discussion. It provides a place to store and share files, web links, videos, and embed content to supplement lessons. Instructors can pose questions for students to discuss between classes. While not mandatory, an online component adds value for most students as internet access is common. The document provides examples and links to open online courses that could be used as additional material for both new and existing classes.