The document is an introduction to OpenStreetMap (OSM) that covers what OSM is, its advantages over other mapping services, and how people can contribute map data to OSM. OSM is a collaborative project to create a free editable map of the world. Unlike commercial maps, OSM data is open and editable by anyone. The presentation encourages people to register, start mapping areas they are familiar with using GPS or by editing existing data, and get involved by joining online discussions.