text: Attending classes from home is a misunderstood way of receiving education. It is not only physically harmful to you but it can also impact the future of your life. There is a reason as to why classrooms have existed for centuries. School institutions are meant to be a safe way of giving a students the traits they need to succeed in life and live life to the fullest. The idea of attending school online takes away almost all of the contributions a classroom can give. In the end, attending school online isn't really a form of school.The use of this technology to read the emotional expression of students in a classroom IS valuable. it is valuable to read students emotions expression because if a student is sad and just wants to be left alone, or if a student is so mad and will go off for any reason then the teacher will know to leave those students alone. Another reason why the emothional expressions is that if they are in a play and you want they to actually feel those feelings. Plus you can tell if that person is being truthful or not.