The preferred embodiments of the present invention are directed to an improved mapping and navigational system. Specifically, the present invention is directed to a system for defining and assigning geographical boundaries to points of interests on a graphical map, where the geographical boundaries preferably...http://www.google.com.au/patents/US20060200305?utm_source=gb-gplus-sharePatent US20060200305 - Method and system for identifying and defining geofences
