Second Map in mobile
The mobile device manufacturers and mobile mapping businesses sharing earnings by installing maps on the mobile device is one of the earnings model.
Nokia, for instance, put itself in the place of a PC user and contemplated what kinds of applications would be needed on the mobile device in the future. That’s when they came up with the idea mobile map services.

On the left side, iPod touch is displayed. When Yahoo launched the exclusive map service for iPod touch on October 20th, a lot of people were already prepared for this. The right side shows Nokia’s most recent phone with the very new 3D map.
Mobile maps, called PNS (Personal Navigation System) are receiving more attention through as they are substituted for car navigation systems. Additionally, they provide more information than the user can get through car navigation systems such as information about public transportation and real-time traffic information.
A study that was published in July 2008 shows that during the last year the utilization ratio of mobile map service increased to 82% in the US and 49% in Europe. Of all mobile device users, only 7.5% used the mobile map service in the US, 3.4% in Europe. According to the numbers, the market may still be pretty insignificant. But taking the rapid growth of the last year into account, the speed is fear dreadful.
Google Maps, S/W development such as Navtec, terminal technology of the iPhone in the US and N70 in Europe had a huge impact on the rapid growth in the last years.
Also in Korea, all interest of mobile communication companies and major portals is towards mobile map service. Mobile communication companies want to extend the map service of their own company. The four big portals are developing mobile mapping applications with satellite, hybrid, and vector imageries. But it will still take some time until approaches will be made to place local advertisements on mobile maps.
source : g-ad solution