A new technology called Moov wants to be your own personal trainer. A wearable fitness gadget, Moov analyzes an exerciser's form, offering real-time suggestions on how to improve workouts. The small, plastic disc attaches to a specfic body part that a wearer wants to analyze during a work: A runner can place the device in his or her shoe, for example, or a cardio-boxer can fit the technology on his or her wrist. By pairing with an app, the Moov tracks movement and body position to provide instant feedback and details about one's progress.

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