Propaganda techniques are methods used to influence public opinion and promote specific ideas or agendas. Common techniques include bandwagon, where individuals are encouraged to join a popular trend, and fear-mongering, which instills fear to persuade people to support a cause. Other methods include glittering generalities, using vague, positive phrases to evoke strong emotions, and testimonial, where endorsements from celebrities or experts lend credibility to a message. These techniques can be found in various forms of media, including advertising, political campaigns, and social media. Understanding these methods helps individuals critically evaluate the information they encounter and recognize potential biases in messaging.