When you begin learning about geographic information systems, you really have to be impressed at what they can do. This technology is amazing in its ability to take data about a specific topic, and present it in a visual way, like a map, so that it is more easily understood, and can be used to analyze and make decisions about certain areas or statistics. They are used for making maps and charts for analyzation and the projection of trends. Globes, reports, maps, and charts.