The Global Positioning System, otherwise known as GPS, has become an integral technological cornerstone for society, rivaled only by the Internet itself. Today it was announced that the 24 orbiting satellites that comprise the system are getting an $8 billion upgrade that will significantly increase the capabilities of the system and relieve strain from the growing number of applications utilizing GPS. With so many of us carrying GPS-enabled cell phones and using GPS navigation devices in our cars, one can foresee huge implications in the world of mobile marketing.