Article: Crowds, Masses and Movements: Right Wing and Left Wing Macro Social Psychology - What are the characteristics that make a crowd different from a group? Are crowds any more emotional than groups or individuals? Are crowds any more manipulatable than groups? Are crowds any more destructive than groups or individuals? How do we account for our suspicions about crowds? Why do people join movements? What might exist to keep people from joining movements even when it may serve their self-interests?