The document discusses lurking in online learning communities, which refers to participating without posting or posting seldom. It examines whether lurkers are learning enough and what benefits they gain from their participation. Factors that influence lurking behavior include the online community, individual characteristics, online behavior, and commitment. The document also explores reasons why students may lurk, such as learning preferences and situational factors. It provides strategies for course designers to plan for various participant needs and types, including methods to encourage participation and inclusion.