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Global Positioning System explains what GPS is, its origins and how it affects the daily lives of people around the world. It explores the use of GPS in industry and leisure, crime solving and the military. The book also offers expert opinion about the uses of GPS, which are sometimes controversial and invasive. Is our planet's population out of control? What is the future of the global economy? Are we playing God with genetic modification? How secure is the global positioning system and who is tracking you? In Ask the Experts discover some of the most topical issues facing people today and read expert opinions on each subject. Once you have 'asked the experts', become an expert yourself and use the knowledge you have learned to make up your own mind about our future. An investigative series for children aged 9+.