The new technology called Facial Action Coding is valuable. Author said that it can detect your facail expression by using a 3-D computer model of the face. The computer must move 44 major muscles like a human muscles. Dr. Paul Eckman, creator of FACS (Facial Action Coding System) has classified six basic emotions - happiness, surprise, anger, disgust, fear, and sadness. The use of this computer is very helpful for lots of people.

The software that is used in this computer can tell your emotion in a real face or in the painted face of Mono Lisa. It uses video imagery. It can tell the students emotion of how they feel. Even though the face weight different units it can also identify mixed emotions. The author said that "His new computer software stores similar anatomical information as electronic code". This software system will help show the expression of a student in a classroom. It can tell if the student is feeling happy or sad. If the computer can tell wheater the student is bored or happy it can change the impact of how the computer can change to make them happy. For example, when you smile when the web ad comes up, the similar one will pop up. But if you frown, the next ad will be different.

In the conclusion, now you know why the Facial Action Coding is valuable. It can tell different action of emotion of a student in class. You can tell if students are hiding there emotions. It was developed to improve accuracy in perceving the emotions of others such as students.