Nike running shoes are both the reversion of the traditional sports shoes and the transcendency to the Nike shoes. It uses GPS to track distance, speed, time and calories when you are running. At the same time, there a special system to provide you a feedback of audio. Then these figures will be uploaded to nikeplus.com to record your running information, route and altitude, which will make you run smarter. You can also share photos, compare progress and get in-run cheers from friends to motivate you to run more. This kind of intelligent system supplies the high-technology into the show's production. Nike shoes are smart and personalized. They are worth to owing.