text: At least it is not hurtful like giving birth, although you cannot. The use of this technology called the Facial Action Coding read the emotional expressions of students in a classroom is valuable because it will be very benefitile for the schools. The schools needed this technology to identify the emotional expressions of the students. Sometime things happen in school that the teachers don't know about; they don't know how their students are feeling. There are three benefitile about this technology. The Facial Action Coding System help the teachers identify the emotion of their students. The second is, it really intended to bring a smile to your face, while it shows just how much the computer can do. The third is, it will help you tell if the person that is the most important to you is sad or happy.