Improv Everywhere bring a little holiday cheer to a mall in New Jersey with a flash mob musical.

Every time I see something like this I can’t help but wonder - what if she says no?

One MP3 track, 3500 people following directions and a lot of light… awesome….

This is an Internet classic, but I just wanted to post it. I love the effect this has on people’s faces; on an otherwise normal, dreary morning on their way to work, they are caught up with the energy and feel-good vibes. Suddenly everyone is smiling and the world seems just a little brighter

Group of dancers wearing Hammer Pants flashmob a trendy store and surprise hipsters in skinny jeans.

It’s HammerTime!