What resonating change occurred in the movie industry in the 1920's?

The 1920s marked a significant transformation in the movie industry with the advent of sound in film, culminating in the release of "The Jazz Singer" in 1927, the first successful "talkie." This technological innovation revolutionized storytelling and audience engagement, leading to a decline in silent films. Additionally, the decade saw the establishment of Hollywood as the epicenter of film production, with major studiOS solidifying their influence and the rise of star culture. Overall, the combination of sound technology and the Hollywood system fundamentally reshaped the film industry.