A look at crowdsourced public safety apps growing amid rising violence in Brazil; Fogo Cruzado, which warns of shootings in Río and Recife, has 250K+ downloads (Raphael Tsavkko Garcia/MIT Technology ...)

Raphael Tsavkko Garcia / MIT Technology Review:
A look at crowdsourced public safety apps growing amid rising violence in Brazil; Fogo Cruzado, which warns of shootings in Río and Recife, has 250K+ downloads  —  Shootouts are common in Brazil's cities.  Apps have sprung up to tell people about spots to avoid—and to put political pressure on authorities.