This one’s pretty tricky. First of all, subliminal messages are images or words that you’re exposed to so briefly or covertly that you don’t realize you’ve experienced them. Proponents of subliminal advertising claim that your subconscious is so deeply affected by these messages that behavior can change drastically, and it’s so subtle that you think you came up with the idea yourself.Sounds pretty nefarious, but don’t worry too much. The most famous study about subliminal advertising—the one where “Eat popcorn†and “Drink Coca-Cola†was inserted for fractions of a second into movies and drastically increased concession sales—is a complete myth (the lead researcher later admitted the data was fabricated). So, if that’s what led you to ask this question, rest assure