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"The Spy Tec Real Time GPS Tracker moves beyond the in-the-moment functionality of a traditional GPS system by allowing users to revisit the data the unit collects. This includes speed times, locations visits and routes to monitor personal usage and locations. The feature is handy for those consumers interested in revisiting the data and finding out more about the patterns of their travels.  The system provides a slew of high-end tracking features that move beyond providing directions. This includes be able to set geo-fencing on the device that alerts the vehicle if it has entered into an area that is deemed to be fenced-off and out of bounds. The GPS can be placed inside the vehicle or underneath it thanks to a waterproof and magnetic casing."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.trendhunter.com/trends/gps-system>