This document discusses how technology has influenced the film industry over time. It begins with an overview of how technology has impacted theaters, home video, and filmmaking. Then it discusses several key technological developments like the introduction of sound in 1927 and the shift to widescreen formats in the 1950s due to declining theater attendance. Currently, major trends are 3D and IMAX movies aimed at creating a unique theatrical experience, the rise of low-budget independent films due to more affordable equipment and distribution channels, and the future of digital delivery and crowdsourced film projects.