IMDB, or the Internet Movie Database, is an online platform that provides information about movies, television shows, and the people involved in the entertainment industry. It includes details such as cast and crew, plot summaries, user ratings, and reviews, making it a valuable resource for film and TV enthusiasts. Founded in 1990, IMDB has grown to become one of the most popular websites for discovering and researching films and shows. Users can create accounts to rate and review content, contributing to the extensive database that helps others find and enjoy new media.