This document discusses the development of recording technology in films over time. It begins with silent films from the early 20th century that had only images and background music. Then it moves to the introduction of black and white films in the 1980s, followed by colored films in the late 1980s. More modern films from the 2000s onwards are discussed that were made using advanced technology and recorded in high definition. The document concludes by looking ahead to future technologies like 3D and potential 4D films that aim to provide more immersive experiences for viewers.