As of 2005, only 15 percent of the world was mapped. This slows the delivery of aid after a disaster — and hides the economic potential of unused lands and unknown roads. In this short talk, Google’s Lalitesh Katragadda demos Map Maker, a group map-making tool that people around the globe are using to map their world.(Recorded at TEDIndia, November 2009, Mysore, India. Duration: 2:54)
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