Another example is this Wed ad as stated in the passage 6 as well now this wed can see your other emotions as an example .''If you smile when a wed ad appears on your screen a similar ad might follow .But if you frown the next ad will be different .''A classroom computer could recongize when a student is becoming confused or bored '' As Dr. Hiangs predicts then he could modity thr lesson because they want the student's to pay attion in the classroom for them to learn and not make the class boring or for student to get lost and never asking question but as that to then the teacher will know what makes them get bored and what makes them get fouces .