text: On the subject of use in the classroom, it could be very benificial to students and teachers alike. It can read when a student gets confused on a topic, and can then adjust the lesson to fit their needs. It can tell when a student is feeling drowsy and upset, or when a student is attentive and alert. This way teachers can recognize when a student needs assistance. This technology, in all, can be very useful if applied to them classroom, and even the rest of the world, properly, making it a very impressive step into the future for mankind.