Thrillers are characterized by eliciting feelings of suspense, excitement, anticipation and anxiety in viewers. They revolve around keeping the audience on the edge of their seats as the protagonist faces danger or solves a mystery. Alfred Hitchcock was an early pioneer of the thriller genre in the 1920s-1930s. Thrillers have become more sophisticated over time with advances in film editing and technology. Common thriller subgenres include crime thrillers focusing on criminals and heists, and horror thrillers that blend thrills and scares. Key differences between thrillers and horror are that horror focuses more on gore and death while thrillers emphasize suspense. Example thriller films include Paranormal Activity, Saw, Jaws,