You may remember evolution of dance. You should. it's probably a top 10 all-time viral video. Now there's a sequel. Allow me to be one of the thousands of blogs to introduce it to you. [youtube=http://www.youtube.com/watch?v=inLBPVG8oEU]
Here's the original again, just to refresh your memory. (plus it's awesome)
[youtube=http://www.youtube.com/watch?v=dMH0bHeiRNg]