There was an amazing dance sequence during the 2010 Oscars.  It’s a little hard to track down on the internet due to copywriting etc etc.  LXD is the Legion of Extraordinary Dancers (often misquoted as the League of Extraordinary Dancers).

LXD is a testament to the power of social media and its ability to provide a medium for artistic collaboration and a new forum for its appreciation.  LXD is the brainchild of Jon M Chu who isn’t a choreographer or dancer, but rather a cult filmmaker who discovered the potential of hip-hop dancing.  (Jon M Chu produced and directed “Step Up 2 The Streets”.)

Here is a youtube excerpt: