text: Let's say Alex is a student and is having a hard time at home because of their parents arguing every single time, being scared that they might one day not be together. The Facial Action Coding System will help an adult figure out what's making his emotion change and becoming sad. It will get an adult attention to talk to his parents and fix thing out. It can make you be even happier in the article it says " If you smile when a Web ad appears on your screen, a similar ad might follow". It can help you if your depress in the article it says " But if you frown, the next ad will be different".