A new survey of Twitter users suggests that as global as the world’s major cities have become, the people in them tend to remain staunchly local.
“Everything is related to everything else, but near things are more related than distant things,” said Waldo Tobler, geographer, cartographer, and University of California–Santa Barbara professor emeritus, in 1970.
This “first law of geography” underscores the tendency to have stronger associations and relationships with things in close proximity than with those that are farther away.
