The smartphone/adhesive tag system is the next in a growing list of devices dedicated to helping forgetful humans keep track of their stuff. The system will contain a circuit board, replaceable battery, buzzer and LED light. The tags will be stuck to items that are frequently lost, such as car keys or the TV remote, and a custom app will allow the tags to be assigned to specific objects. When the object is lost, accessing the app on the smartphone will display how far away the...