Privacy watchdogs have long been concerned about location tracking. This technology can be helpful on a road trip or anytime were navigating somewhere new. But it also means that our GPS and Bluetooth-enabled smartphones know a lot about the places we go and the people we spend time with. Can you identify a scenario (except the above one) where contact tracing information was used for a good reason? Analyse the impact in both local and global communities. Also, identify another scenario where GPS/contact tracing puts users' privacy at risk. How users can protect their privacy?.