I'm fore the value of using this technology to read students emotional experssions why, because it would be neat that a scientists can scan on a computer to read students or anyone's emotions to see how they feel. In paragraph 3 it says that Dr. Paul Eckman had classifed 6 emotions which were happy, sad. surprise, anger, fear, and disgust on a painting so by weighting the different units of the software which can even identify mixed emotions. Dr. Hang predicts that it could modify a lesson which can be like an effective human instructor the techonogy can make computer animated faces more expressive, such as video games or video surgery.

Paragraph 7 it shows you a list of what you can do that list will show you how you can see the expression, In fact those instructions for a face that makes you look happy it is all about those muscular action units which they can indictate the difference between a genuine smile and a forced one. So in a real smile which it says in paragrpah 7 " zygomatic major " which means that the muscles that begin at your cheek bones which will lift the corners of your mouth.

According to the Facial feed back theory of emotion which is moving your facial muscles not only expresses emotion they may also even help produce them Constanin had his actors carfully reproduce smiling and frowning as a way of creating these emotions on stage. I think this idea it great it would be a good invention of soemthing to read people's emotion it could happend because unconsciously imitate another person's felling and also facial experssions.