Check
[youtube=http://www.youtube.com/watch?v=AWIvAP0srGU&feature=player_embedded]
Here’s another one from April, 2011:
[youtube=http://www.youtube.com/watch?v=Dl4BT9eIJ9A&feature=player_embedded]
Flash mobs always makes us emotional when we think of what can be accomplished when we have a plan and stick to it.