Wikipedia: A flash mob (or flashmob)^[1] is a large group of people who assemble suddenly in a public place, perform an unusual action for a brief time, then quickly disperse. The term flash mob is generally applied only to gatherings organized via telecommunications, social media, or viral emails.^{[2][3][4][5][6][7]} The term is generally not applied to events organized by public relations firms or as publicity stunts.^[4][8]