Nobody likes getting lost. Not only is it a waste of time, gas and energy, but it can also be quite frustrating. That is why when the first GPS (global positioning systems) were approved for civilian used at the end of the nineteen nineties people rushed out to purchase them. But as with any new technology, these early models were not especially consistent or accurate. In fact, it was not until the new millennium that military restrictions were lifted on civilian GPS units, which immediately increased the precision from 100 meters to 20 meters.
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