A system for providing an advisory communication to a user via a mobile unit includes locating means for locating the position of the mobile unit and sending means for sending a communication to the mobile unit. The mobile unit includes alerting means for alerting the user of the communication. The advisory...http://www.google.de/patents/US7123926?utm_source=gb-gplus-sharePatent US7123926 - System and method for providing information to users based on the user's location
