Global Positioning System or GPS is a system used to show an individual their position on the globe and navigate to a desired position from their current position. This technology was developed by the United States Department of Defense. To have something to give precise positioning at any point in the world, the Department of Defense had to spend over 12 billion dollars to create an accurate GPS. The GPS has been fine tuned and improved so it is now available on the open market and is very often found in new cars. The technology has revolutionized how people are able to navigate.

The technology behind the Global Positioning System is quite complex but can be broken down into fairly simple terms. A GPS is able to find its position on earth by receiving signals from a minimum of four satellites that are orbiting space...