text: In difference in the situation students can't understand someone's expression. Thanks to the technolgy now it'll be easier to figure out students emotion or anyone. The article states, " Using video imagery, the new emotion-recognition software tracks these facial movements- in a real face or in the painted face of Mona Lisa. By weighting the different units, the software can even identify mixed emotions. Each expression is compared against a neutral face.""The Mona Lisa demonstration is really intended to bring a smile to your face, while it shows just how much this computer can do."