This short article discusses the implementation of Twitter into larger classrooms. The way Twitter was used to facilitate discussions in a large classroom is interesting. A list of "best practices" was also included.
This is a slide presentation on several interesting ways to use Twitter for group projects outside of class and other uses during class. Some of the tips are better suited for K-12 classrooms and others for college classrooms.
From the Federal Trade Commission: Tips on using social networking sites safely. Beneficial reading for both parents and educators. Educators can use the recommendations when using more open social networking sites like Facebook or Twitter.