text: STUDENT_NAME   Yes, the use of this technology to read the emotional expressions of students in a classroom is valuable, so students can study and understand how the artist felt when he or she painted on the canvis. They could be happy, sad, surprise, angery, disgusted,and afraid. The FACS (Facial Action Coding System) is a good thing, because not only students can the device but middle age people can use the device too.