The document discusses various geospatial data sources and mapping efforts related to disasters in Haiti, Japan, and other locations. It provides information on imagery data sources like Yahoo ALPS, Bing, and satellite images from JAXA. It describes how satellite imagery from JAXA was used through NIED and contributed to OpenStreetMap after disasters. It also discusses mapping coordination on WikiProject Haiti and lists over 100 mappers who contributed. Ushahidi and Crowdmap platforms are mentioned for collecting reports. The importance of collaboration between various groups and using diverse data sources for crisis mapping and response is a key theme.