If you work out like a maniac, you might as well get credit for it. Earndit.com is a website that rewards you for working out. They have created a system that gives you more credit for your exercise, thus encouraging you to workout more. How does it work? You sign-up on Earndit using a tracking system such as Nike+, Garmin Connect, RunKeeper, FourSquare, Fitbit or Everytrail and accumulate points as you workout. Once your relentless efforts have earned you enough points, reward yourself by choosing from a list of available rewards!