text: When a teacher is trying to find a new method to use when teaching, it can be hard to see how the students feel. They could like it or hate it. Most students like to keep their emotions to themsleves. Using this technology would give the teacher the oportunity to see how their class might feel about the material or lesson that they are trying ot teach. It can also show you if a student might be confused. There emotion will change and you can tell if they aren't understanding something going on in the class.