Flash Mobs are groups of people who get together to perform an activity,such as a dance,then quickly leave. Flash Mobs usually only last for a few minutes and try to surprise people. They are mainly organished through online social media,word of mouth and sometimes in newspaper and magazine adverts. the aim is to create awareness of particular products, to get media attention or simply to entertain people. Flash Mobs take place in public spaces such as shopping centres and train stations. Want is the main purpose of this text A. To advertise a flash Mob B. to tell you about Flash Mobs C. to advise you how to join a Flash Mob. D. To inform you of the history of flash Mobs