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Get mapping (07 Apr 2005)
Not since the 16th century has the production and use of maps changed as rapidly as it is changing today. Real-time property information, the routing of business deliveries, and the technology underpinning 3G mobile services means it is boom time for cartographers.

For this we can thank the Clinton administration and its decision to descramble the global positioning system (GPS) in May 2000, which allowed the first civilian use of military satellites. Government mapping agencies have long used these satellites to produce three-dimensional sets of "geodata". In doing so, they exchanged the parallel universe of gazetteers and card files into a global topology of zeros and ones.
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