Posters are often overlooked in the art world; however, they are special and powerful visuals that communicate messages in an effective and impactful way. The power of the poster lies in its ability to create an emotional reaction in viewers. Posters have been used throughout history to influence public opinion around social, cultural and political issues. In the 19th century, they advocated for causes such as women’s suffrage and civil rights. They have also been used to whip up support for military campaigns, political campaigns, and even economic ones such as charitable donations. Posters are an outstanding tool for conveying a message quickly, as they capture and simplify abstract concepts into powerful visuals, making them impossible to ignore. Finally, posters are also an effective way of conveying brand identities. Many businesses have used posters to effectively and efficiently advertise their product or service and to create memorable images and taglines. Plus, posters are great for catching people’s eyes in a busy urban environment and add life to a dull wall. In conclusion, posters are a versatile form of communication and are an effective way to convey large messages in an instant. They remain one of the most effective ways to publicize thoughts, movements and events, and to gain attention for important causes. Whatever the subject matter, there is no denying the power of a poster to create an emotional reaction in viewers.