Improv Everywhere is a New York-based comedy troupe known for its unexpected flash mobs. For its latest mission, the group ...

If you value independent local news, become a sustainer today. Your gift could help unlock a $1M challenge. The phenomenon of the flash mob — masses of people ...

One very popular example of a flash mob is the March 2009 video that featured over 200 participants in Antwerp, Belgium, Central train station who spontaneously broke into choreographed dance steps to ...