With the acceleration of urban construction and renovation in China, urban roads are constantly being built, and the complex road traffic has even spawned a group of people who specialize in guiding the way. The newly built buildings and paved asphalt roads have made some previously familiar places unfamiliar. The crisscrossing urban roads and various forms of overpasses make it necessary for residents of this city to frequently check maps when going out. There is data indicating that there must be a map in the top three sales rankings of Beijing Book Building every year. The booming sales of maps not only reflect the rapid development of cities, but also reflect people's pursuit of fast-paced life. Convenient and accurate arrival at destinations not only saves valuable time, but also saves high fuel costs for drivers. For young people who are familiar with the internet, they are gradually using electronic maps on the internet. Major portal websites strive to provide electronic map query services, providing location and navigation services to netizens through the internet. We input the keyword "electronic map" on the computer, and there are about 14400000 related web pages on Google and about 20300000 on Baidu. Using online maps has become a habit among netizens, and 30% of search requests on Yahoo are also related to localized information. "Where don't know how to go? Check the electronic map online." has become a common saying among people today. The handheld GPS navigation products will enter a period of rapid development, and the demand for precise query of destinations and surrounding environments has driven the prosperity of the GPS navigation product market. According to relevant statistics, the penetration rate of navigation equipment in European and American countries has reached 90%, and Japan has even exceeded 95%. A professional survey on the prospects and creativity of 3G applications shows that 17.79% of respondents chose 3G network video conversations, and 15.34% chose GPS/map search. As the 3G era approaches, people's attention to GPS/electronic maps is enough to demonstrate its importance in daily life. In addition, consumption and market demand have also driven the development and maturity of the navigation industry.

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