This document discusses the work of Edward Bernays and others in manipulating public opinion and engineering consent through an understanding of psychoanalysis and the unconscious mind. It mentions how Bernays helped overthrow the Guatemalan government in 1954 by linking a reformist president to communism and organizing a CIA-backed rebel army. It also discusses controversial experiments on patients by psychoanalyst Dr. Ewan Cameron using new drugs and therapies to wipe patients' minds and reprogram their thoughts, which had lasting harmful impacts.