iPods and MP3 players have revolutionized our lives in many ways. We utilize them almost exclusively while exercising and working out. They help us to get into a zone and allow the time to fly. Our focus is away from the pains of the workout and can sometimes even breeze right by. But why?

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iPods and MP3 players have revolutionized our lives in many ways. We utilize them almost exclusively while exercising and working out. They help us to get into a zone and allow the time to fly. Our focus is away from the pains of the workout and can sometimes even breeze right by. But why?

More: continued here