…the map and the different applications that can be done using OpenStreetMap data. Humanitarian OSM John Whelan notes on the HOT mailing list that there is a large number of untagged ways in Chad. Many of them are buildings, but not all. Education Mario asked in the gvSIG blog: “Have… (Search hits: 1 in body, 0 in title, 0 in categories, 0 in tags, 0 in other taxonomies, 0 in comments. Score: 2.33)