This guy—who clearly really wants to be a plumber, or something—hacked his Microsoft Kinect and reprogrammed it to work with a variety of Super Mario Bros. titles for Nintendo. Thus he can jump IRL to make Mario jump IMK (In the Mushroom Kingdom), and uncomfortably saunter in place while checking himself out in a sweet mirror set-up just like Mario would! The timing is sort-of delayed, but it works, and requires he accidentally exercise. Which I’m sure his mom appreciates.
Check out as he demonstrates the technology on the original Mario Bros., Super Mario 3, and the other one where it was all a dream:
Too bad the technology didn’t exist when this other video circulated. It’d be like a destination engagement, what with all the "traveling":