Wired – Five Maps That Could Help Solve Some Of The World’s Most Daunting Problems

wired.com. November, 14, 2013. African maps are notoriously problematic. Much of the data is old; roads, particularly footpaths, languish unnamed. Africans often navigate by informal landmarks like bars or gas stations, places not represented on standard maps. The slums have it even worse: On Google Maps they figure as blank expanses, in keeping with their reputation as shadowy, marginal places.