A great segment of the media bubble is essentially a group of young liberal-arts graduates largely clustered in dense coastal areas, like Brooklyn and Oakland, at historically high rates. But the structure of these writers’ local networks—their friends, colleagues, and peers they’d like to impress—can skew perceptions of the national reality. (The scientists Kristina Lerman, Xiaoran Yan, and Xin-Zeng Wu call it the majority illusion: “a behavior that is globally rare may be systematically overrepresented among their friends.”)
Source: Houston, Dallas, and the Return of the Sunbelt Suburbs – The Atlantic