Ditch your tired old roller blades, chuck out your skis. Extreme sports have taken a new direction and its encapsulating, literally. The Zorb is here and it's rolling out the fun. Zorbing involves jumping inside the giant inflatable (and durable) bubble and letting gravity do the rest. Usually set in an open space with a slight decline or on water, Zorbing is the ultimate adrenaline rush. Devised by inventors and extreme sports enthusiasts Andrew Akers and Dwane Van der Sluis, the New Zealand based project is taking the world by storm. This has to be seen in action to be totally appreciated, check out the video online (quicktime, also check out Bossaball from Belgium and Rio's bike bus by Bill T