text: Frontantalis pars lateralis musles raises your eyebrows when your surprised or shocked about anything while your orbicularis oris the muscles that around your mouth tightens your lips. With all that being said the technology in the classroom is very valuable because of all the things that it recognizes like confusion,boredom,sadness and even fear. Also this technology can even modifty lesson's as if it was an human instructor.                                                 Who's going to for help you?