The explosion of streaming platforms like Netflix, HBO Max, and Hulu has fueled this boom. Previously, a documentary about a backup singer ( 20 Feet from Stardom ) or a stuntman might have been a niche festival film. Today, streamers are hungry for content, and the "content library" approach means there is room for a four-hour deep dive into the history of Woodstock ‘99 or the rise and fall of a boy band like *Fleet

The early 20th century marked the beginning of the American film industry, with Hollywood emerging as a major hub for movie production. The 1920s to 1960s are often referred to as the "Golden Age of Hollywood," characterized by the rise of iconic studios like MGM, Paramount, and Warner Bros. This era saw the production of timeless classics such as Casablanca (1942), The Wizard of Oz (1939), and Singin' in the Rain (1952).