. 911 can trace you with triangulation. I can trace you , give me your RSSI (received signal strength) on your radio device(receiver). [ literally] God can trace you , poor soul! you cant hide! :P Google can trace you. Hold a GPS receiver. Infact, if google can trace you, developers can trace you! If they can, open source developers can trace you! Well, they want it OPEN, dont they? So, that means, I can trace you too! What an era! We are so traceable! :P :P , GOD! can i have my privacy? puhleez! :_)