Mobile-phone mapping succeeds where national censuses fail
October 31, 2014
Traditionally, the way we know who lives where is the result of national censuses. But those head counts can be expensive and occur rarely, and a new study suggests that the passive tallying that happens every time our mobile phones check into a cellphone tower can provide a sort of living census that, researchers say, can improve how we respond to everything from earthquake devastation to the spread of Ebola.
Mobile-phone mapping succeeds where national censuses fail