Ethnicity Trends in the New-York Area, 2000 to 2010
Philippines Typhoon Haiyan (Yolanda) OSM Compare Before and After
This OpenStreetMap comparison shows contribution of the OSM community to spatial management of this humanitarian crisis. Humanitarian OpenStreetMap Team was very reactive, starting to map before the Typhoon touch land. Since then, more then 400 contributors contributed to trace roads and buildings.
Source: Humanitarian OSM Team