text: It could be helpful to know how your student is feeling. A computer that knows when your happy or sad would be helpful to teachers. Having A classroom computer that could recognize when a student is becoming confused or bored would help teachers know if her students are struggling with what is being taught or if they need help with anything. It would save a teachers time asking students if they are in need of help because sometimes a student might be shy to raise there hand or embarassed that he is not getting the hang of it but his other classmates are.