GPS Systems, Why They Are Handy
Gone are the days where a person had to use a paper travel map in order to find out how to get from one place to another. Now there is new technology called GPS systems, or global positioning systems. These devices, which have been used by the military for many years have recently become popular with the public. These are electronic devices that come in different forms, from handheld models to display models that are mounted or even a permanent fixture of some newer cars.
These devices, which are controlled by satellite, work by punching in a starting address and the final destination address. Once that information is put into the GPS, the GPS will guide the person step by step, turn by turn until the person has arrived at his or her destination. Some GPS systems will actually talk to you and tell you exactly where to turn and when, ..
Source: travel