Plenty of people today have a global positioning system (GPS). This has made the job of getting from one place to another much easier. Of course, these devices are not always foolproof; but generally they are a great help in keeping us on course and getting us to our desired destinations. Without a GPS, or other navigational tools, or good reliable maps, we will forever be getting lost. So such devices are a real must in modern society. But another navigation tool is also a must — yet it …
