GPS-enabled walking stick among the usual uses for mobile technology on display at Mobile World Congress in Barcelona . The device is a small black box with an attached GPS receiver and accelerometer that can be used to track your movements using its built-in camera. Mitten-ready mobiles are n't new Mitten-ready mobiles , robotic balls and temperature-sensing microchips were also on display .
GPS-enabled walking stick among the usual uses for mobile technology on display at Mobile World Congress in Barcelona . The device is a small black box with an attached GPS receiver and accelerometer that can be used to track your movements using its built-in camera. Mitten-ready mobiles , robotic balls and temperature-sensing microchips were also on display .