A great article showing data about bus user frequencies and the possible social nature of different bus routes.
‘Familiar strangers are people we encounter often, but ignore. Even in enormous cities, our regular routines have us running into them all the time. But while the “concept” of familiar strangers is interesting, it’s rather difficult to quantify. Still, we wondered: is it possible to retrace the steps of an entire city to figure out who met who? Yes — it is.
(Hattip to David)