Abstract: A method and apparatus for improving efficiency and accuracy in event information exchange among users of navigation systems or other devices through wireless communication. The method includes the steps of: receiving information indicating an upcoming event, an event location, and participants thereof input by a user; checking a database storing data regarding types of event in response to the information input by the user to determine a type of the event; retrieving information regarding items required for the type of event determined and generating a template including a list of what items to bring by the participants of the event; and sending the template to the participants of the event through wireless communication.

Abstract: A method and apparatus for automatically updating information on favorite places upon change of home address. The method includes the steps of: checking data received by the navigation system to detect whether the old home address of a user has been changed to the new home address; searching for favorite places around the new home address equivalent to that around the old home address; determining whether the updating of the favorite places should be conducted automatically or upon instruction by the user; updating the favorite places by replacing the favorite places for the old home address with the equivalent favorite places for the new home address; and repeating the above steps every time when there is a change in the home address.

Abstract: A method and apparatus for automatically updating information on favorite places upon change of home address. The method includes the steps of: checking data received by the navigation system to detect whether the old home address of a user has been changed to the new home address; searching for favorite places around the new home address equivalent to that around the old home address; determining whether the updating of the favorite places should be conducted automatically or upon instruction by the user; updating the favorite places by replacing the favorite places for the old home address with the equivalent favorite places for the new home address; and repeating the above steps every time when there is a change in the home address.

Abstract: A method and apparatus for improving efficiency and accuracy in event information exchange among users of navigation systems or other devices through wireless communication. The method includes the steps of: receiving information indicating an upcoming event, an event location, and participants thereof input by a user; checking a database storing data regarding types of event in response to the information input by the user to determine a type of the event; retrieving information regarding items required for the type of event determined and generating a template including a list of what items to bring by the participants of the event; and sending the template to the participants of the event through wireless communication.