Paid for something using your phone= nfc. Ble= how we take attendance in class. System which transmits the identity of an object or person wirelessly using radio waves. Example: e-zpass because it is this little transponder and the the antennas in the boothes read the tag numbers and it then knows who to charge. They"ll use the ez pass to see where cars are to track congestion like in the city. Magic band at disney: practical use of rfid because disney gets to analyze where people are all over the disney property, but make it cool how they are doing it. In sports: nfl wear rfid chips in their shoulder pads and the teams can go back and look at where every person is at every play on the field. Helps to analyze how to improve their performance and it can be used to look at their acceleration speed and how many yards the running back actually ran and etc.