By nature, you will not be aware of receiving one.
Subliminal messages can be embedded in any picture, video, or noise. You could be receiving one at this very moment.

Once someone realizes how many subconscious messages they could be receiving in a mere day, they often want to know how they can begin to detect them consciously, look around you and you'll see. SNET PPL LETS DEBATE ABOUT THIS TOPIC IT WILL HELP US ALL................