# Cities are the correct granularity to keep track of people's locations <!-- #evergreen --> [Web URL for this note](http://notes.benjaminreinhardt.com/Cities+are+the+correct+granularity+to+keep+track+of+people's+locations) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Cities+are+the+correct+granularity+to+keep+track+of+people's+locations) <!-- {BearID:CD9AB498-A196-48C3-86F1-8A1499CB17B0-19569-0003CC7566EAD8CC} -->