This document discusses how subliminal messages can manipulate viewers without their awareness. Subliminal messages are hidden messages presented below the viewer's conscious awareness that can influence their thoughts and behaviors. Examples are given of subliminal messages in movies and advertisements that repeat ideas without the viewer consciously noticing in order to spur actions like product cravings. The document urges viewers to be critical thinkers and aware of how media messages are framed and targeted to manipulate their responses.