Pedometer

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A pedometer, (from Latin pēs, meaning "foot", and Ancient Greek μέτρον (métron), meaning "measure") or step-counter, is a device, usually portable and electronic or electromechanical, that counts each step a person takes by detecting the motion of the person's hands or hips. Because the distance of each person's step varies, an informal calibration, performed by the user, is required if presentation of the distance covered in a unit of length (such as in kilometers or miles) is desired, though there are now pedometers that use electronics and software to determine how a person's step varies automatically. Distance traveled (by walking or any other means) can be measured directly by a GPS receiver. Used originally by sports and physical fitness enthusiasts, pedometers are now becoming popular as an everyday exercise counter and motivator. Often worn on the belt and kept on all day, it can record how many steps the wearer has walked that day, and thus the kilometers or miles (distance = number...

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