text: First thing that it can do is read the emotsions of the person learn on the topic, then tell if they are getting it or not. If they don't get it, then it can signal the teacher that they need help or to go over it more in detail. This is very good since it will allow the teacher to better understand how his/her teaching methons work as well as if they can move on. The text even says that it can, for example it says, "'A class room cimputer could recignize when a studen is beciming confused or bored,'" showing that its not wrong. Being able to know that everyone gets it, and understands what the teacher is getting helps out big time. It could even require no test since everyone would get it, or even let them move on quicker.