Flash Mobs?

[Ray-Chill]

I would if I could dance worth a shit xD

But, they look like they're just playing DDR, I can do that

I can't..
xD
I fail at that as well..

[w_is_awesome]

alskdjfhg that ant on your siggy made me almost punch my screen trying to kill it now I feel mean.

On that Improv one got to 0:38 I think that guy looks a lot like Jason Segal. lol.

[deadfolx]

watch out for flash mobs in Philly. Sometimes, Its really a series of robberies. no joke. lol

[Azn]

Seeing as I'm was born and raised in Philadelphia, I can tell you that not all of them are as peaceful as the ones depicted on Youtube.

[deadfolx]

See?!!? ^^^^^
I told u. lol

[Curbstomp336]

Just go planking, looks hilarious haha