This ridiculously cute dancing baby reminds us why Facebook is valued at $100 billion, and worth every penny. To promote their new Amazing line of sunglasses, the clever folks at Swarovski having created an interactive Facebook app that lets users all over the world virtually wear a pair while showing off their best moves in the style of Dance Dance Revolution. They can also submit a short video for a chance to win the sunglasses, but for us, just watching this unsuspecting baby flop around is reward enough.