Samsung might not give off the immediate impression of a warm, fuzzy company, as it really comes off more like a faceless device-manufacturing juggernaut, but that doesn't stop it trying to get a handle on what people are feeling. According to a recent patent application, the company is putting together a method of recognizing the emotions of an individual based on action units (AUs). And what exactly are those? They're components of a facial action coding system: something designed to reference the contractions of facial muscles. With a total of 30 units, several AUs combine to form a string (shown