The document discusses emerging learning theories and how they relate to the use of discussion boards in online adult education classes. It examines theories like social constructivism, connectivism, transactional distance, and andragogy. These theories emphasize community building, making connections, bridging gaps in online environments, and understanding how adults learn best. The document also provides best practices for using discussion boards, such as defining goals, building rapport, encouraging public sharing, and providing guidelines for interaction and etiquette.