We see this in streaming:

: Once a niche hobby, video games have grown into a massive industry, offering interactive entertainment that can be immersive and engaging. Games are played on consoles, PCs, and mobile devices.

For the better part of the 20th century, popular media was a monolith. In the United States, if you wanted to be part of the cultural conversation on a Wednesday night, you watched whichever sitcom the "Big Three" networks (ABC, CBS, NBC) offered. This scarcity of distribution created a "watercooler effect"—a shared language of quotes, characters, and catchphrases.

Why does entertainment content hold such power? Neuroscience offers a few clues.

: How the industry shifted from linear "appointment viewing" (cable TV) to on-demand streaming and short-form content like vertical dramas and immersive tech . Societal Impact and Ethics :