Researchers sifted through a whole lot of AT&T mobile phone data to find out who’s talking to who—or, really, where’s talking to where. The Connected States of America, as the project is called, has produced some amazing maps showing clusters of communication, from the surprising—neighboring states like Oklahoma and Arkansas pair off, chatting mostly with each other—to the expected: the flood of continent-spanning calls between New York and San Francisco.

[MIT Senseable City Lab, via GigaOM and Gizmodo]