The document discusses the use of radio in education. It outlines that radio is a powerful mass media that can be used to disseminate information, impart instruction, and provide entertainment to students. Community radio systems have been developed specifically for educational purposes. They allow local communities and educational institutions to get involved in broadcasting educational radio programming. Community radio helps students hone public speaking skills and revise classroom lessons. While it has advantages like specialist-created programs and reuse of content, it also has disadvantages like being audio-only and lacking interactivity.