In 1989, Ray Oldenburg published The Great Good Place, in which he named and described the third place — the location that was neither home (first place) nor work (second place) but the informal gathering ground of community life: the café, the tavern, the barbershop, the general store, the public square, the park bench, the corner diner. Oldenburg argued that third places were the essential infrastructure of democratic community — the environments in which people of different class positions and social distances encountered one another repeatedly, casually, and on equal footing, and in which the social bonds that made community life possible were formed and maintained.
The third place was distinguished by a set of structural features: it was accessible to all (or nearly all) with low economic barriers; it was a habitual gathering point, meaning that the same people appeared there repeatedly with predictable frequency; it was characterized by conversation as its primary activity; it leveled social distinctions in a way that formal institutions did not; it was playful in tone rather than functionally serious; and it allowed people to be regulars — to have a place where they were known and expected.
What Oldenburg documented in 1989 and what subsequent research has confirmed is the progressive erosion of these places from American community life. The postwar suburban development pattern — which separated residential from commercial zones, organized social life around the private automobile, and transferred domestic leisure to the home — was structurally hostile to the third place. The suburban cul-de-sac produces neighbors who know each other's names; it does not produce the ambient community of the corner store or the neighborhood tavern. The big box retail format, the drive-through, the mall (itself a simulated and heavily managed approximation of public space) replaced the Main Street commercial district that had housed most urban and small-town third places.
The consequences for friendship are substantial and have been measured. The third place was not merely a pleasant amenity. It was the primary mechanism through which the conditions for friendship formation — proximity, repeated unplanned interaction, low-stakes conversation — were generated automatically, without requiring anyone to schedule or initiate. When third places disappear, friendship formation does not become harder by a marginal amount. It becomes harder by a structural amount, because the mechanism that did the work of generating contact is gone.