In a point-of-interest (POI) icon display method for displaying a POI icon at a position of a point of interest on a map, when a large number of POI icons are densely displayed, one representative icon is displayed instead of these POI icons. When the representative icon is selected, the original individual...http://www.google.de/patents/US7076741?utm_source=gb-gplus-sharePatent US7076741 - Point-of-interest icon and point-of-interest mark display method