The document discusses several theories of audiences and media consumption: 1. Audience theory proposes that all media has a target audience, and sometimes tries to construct audiences. Products can have mass or niche audiences. 2. The Frankfurt School proposed the "effects model" which viewed audiences as passive individuals susceptible to media messages. This view has been disproven as audiences can interact with media in more complex ways. 3. The two-step flow theory developed by Lazarsfeld and Katz suggests that opinion leaders first receive information from media, then pass it along to friends and family with their own interpretation, making personal connections more influential than mass media. 4. More recent theories view audiences as active participants who