This is an interesting YouTube video from the Coca-Cola company for their Sprite Zero drink. Coca-Cola has done really creative guerrilla campaigns in the past that usually reached the offline audience. This campaign explored the opportunities with interactive YouTube campaigns.
Using keyboard keys 4 through 9, you can replay the skateboard tricks, skip others, and create your own rhythmic masterpieces on the fly. The video works by skipping to bookmarks in the video that will replay that segment.