Several countries and regions are competing in the field of satellite-based positioning systems. What makes such systems so important for the future? Why do many countries spend billions of dollars on getting their own satellites out, just as the European Union does it with its Galileo system? Is it just for the convenience to find your location around town, or is there more behind the application of this technology? Hint: Most ATMs use GPS signals they receive. Why is that although they never move?