The document discusses the theory of media imperialism and examines its key assumptions, popularity, and declining influence in recent years. Some of the main claims of media imperialism are the negative impacts of Western media through homogenization, the one-way flow of information, and prioritizing profit over diversity. The document also presents critiques of the Western liberal model of journalism and analyzes new perspectives on media and citizen journalism in Africa. It questions whether the power of Western mass media is overstated and considers the roles of local organizations and audiences in shaping media consumption.