Blizzard's 2009 April fools - WoW dance

Here it is: prank or not, Blizzard's traditional April fools is the new WoW 'The act of jubilant self-expression through dancing' feature.
Not sure at all about it, but 'dance battle' ?! Common...
Check out the video.

...and a screen:



...and you might wanna check last year's Blizzard's April fool

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