text: A classroom computer could recognize when a student is becoming bored or is happy or sad. If you smile when an ad pops up on your screen another similar ad might appear but, if an ad pops up and you frown then it won't have the same ad come up again. Because of this the students would be happier and cheerful. If a student was sad or bored when working on a lesson then it would change the lesson and make it more fun and then it would be more effective. This would make the children learn more and not dread being at school.