An anonymous reader writes: Open source and crowdsourcing—uttering these words at a meeting of the United Nations before the year 2010 would have made you persona non grata. In fact, the fastest way to discredit yourself at any humanitarian meeting just five years ago was to suggest the use of open source software and crowdsourcing in disaster response. Then, a tragic earthquake occured in Haiti in 2010, and OpenStreetMap and Ushahidi were deployed in the aftermath.
Their use demonstrated the potential of free and open source crowdsourcing platforms in humanitarian contexts.
Then, Typhoon Ruby in the Philippines occured five years later. What technology was used?