text: First of all, this technology to read the emotions and expressions of a students in a classroom is valuable because, even know sometimes you fake emotions it many still be able to make you feel that way. For example the author stated in paragraph 9 that " Theory Of Emotion, moving you facial muscles not only expresses emotion, but may be able to produce them." What this is saying is that the muscles that you use in your face to fake an emotion can actually make you feel that emotion.