Digital mapping was once both very expensive, only accurate for 1st world urban areas, and constantly out of date. However, since entities like Google and Waze have started using crowdsourcing to update map data, as well as transitory events on the road systems, the cost of map data has gone down while the real-time accuracy of the maps as well as accessability have gone up significantly: http://unbonmotgroundswell.blogspot.com/2013/09/crowdsourced-mapping-continues-to-be.html