The folks at Improv Everywhere create amazing flash mobs of all kinds. When you think of flash mobs, you probably think of people dancing out of nowhere in a public place, but the mob that they just orchestrated is totally unique.

This is Improv Everywhere’s newest prank. It seems simple, but it requires a lot of coordination. Difficulty aside, they hope that the surprise spreads holiday cheer throughout the community.

I think it’s safe to say that they achieved their goal! Kudos to Improv Everywhere for giving people some holiday joy in a totally unexpected way.

Read more: http://www.viralnova.com/light-switch/