The Social Maps of Cities

This is a fascinating, brief (5 mins) TED talk by Dave Troy on the Social Maps of Cities. Using data from tweets he helps us to visualise cities like Baltimore, San Francisco and Rio de Janeiro in a way that we have never seen them before. And as the overview on TED says: “Dave Troy has been visualizing what the tweets of city dwellers reveal about who lives there, who they talk to — and who they don’t.”