Trailers follow certain conventions to effectively market films. They provide a teaser of the film's plot through extracts and details. Trailers are used to generate interest and attract audiences to watch the upcoming movie. Social media is a major platform for distributing trailers to wide audiences. Trailer titles are bold and distinctive to help audiences recognize the film. Company logos reveal details about the production quality and genre. Music, sounds and cinematography add tension to highlight climactic scenes. Credits and release dates help audiences learn about the cast/crew and plan to see the film. Trailers also follow classic story structures and use dramatic irony to intrigue viewers.