Fandom used to be simple: you watched games, bought a scarf, cheered at the stadium. Today, fandom is a living social system—distributed, performative, and fast-moving. It’s built from identity signals, stitched together in digital campfires, and amplified by memes that mutate overnight. For brands, rights holders, and teams, this isn’t noise to be tolerated; it’s the matrix that determines relevance, reach, and ROI. This article breaks down the anthropology behind modern spo