Well, Microsoft apparently thinks you do, and they'll have a game titled "Michael Phelps- Push The Limit" coming out for the controller-free Kinect in June. So those that play this game will be acting like they're swimming in front of a television. That's sure to produce some YouTube gems.
I can't imagine this game being too deep in game modes and features, and the replay value could be historically bad. We'll see I guess.
Here's the trailer for the game:
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