NAVIGATING METHOD, MOBILE DEVICE AND CENTER DEVICE CONSTITUTING NAVIGATION SYSTEM, AND MEDIUM WITH ADVERTISEMENT SELECTION PROGRAM RECORDED THEREON

摘要

PROBLEM TO BE SOLVED: To adjust the profits of a data provider and a user in a navigation system premised on a network system. SOLUTION: This method is constituted of a mobile device 10 which guides the user on a route from the current location to a destination and a center device 20 which transmits information processed by the device 10. The device 20 records charging amounts on the basis of information quantity transmitted to the device 10 in a storage means for every user.