During his Independent Games Summit presentation on "folk games," Die Gute Fabrik's Douglas Wilson presented an example of a "deliberately stupid" game that uses technology to encourage uninhibited fun among groups. You know, like the group's best-known game, Johann Sebastian Joust.
Dog the Wag, demonstrated by people acting a damn fool next to the stage, is a game played using PlayStation Move controllers, tethered to player's butts. Players get on all fours, then attempt to wag their digital tails as furiously as possible to accumulate points. Occasionally, the Moves' orbs will flash, signaling that a player is vulnerable to attack. If another player manages to wrestle said vulnerable party to the ground and press a button on their Move, points are deducted.
We're going to remember this the next time we're about to tell someone GDC is a more "professional" conference.