The document discusses propaganda techniques used to influence audiences. It defines propaganda as techniques used to influence opinions, emotions, attitudes or behavior. It notes that much of the mass media aims to persuade audiences to buy products or support ideas. It then describes seven common propaganda techniques: bandwagon, testimonial, hasty generalization, false cause, invalid analogy, red herring, ad hominem, and slippery slope. The document provides examples for each technique and cautions that while propaganda is often used for advertising, it can sometimes trick people into believing illogical claims.