Watch the moment Liverpool Street Station danced to create this special T-Mobile Advert.

This article suggests that flash mobs posess certain dangers to our way of life. "The loss of individualism."

"Some of the most powerful smart mobs can be found on anarchic computer services like the Gnutella network."

flash mobs aren't just people dancing to advertise for companies, some flash mobs stand for a purpose...

Flash mobs, in which people in public places break into song or dance routines, and disappear suddenly, have become a more regular occurrence in Iowa, often as a form of promotion.