text: For example im opened a program that will help me with math and they put this hard equation on the the screen i need to answer it but if i don't know it will really change my mood but the computer after looking at me have trouble for a while and my mood they can switch the question to one a little more do able or give the teacher a hint that a student need help. That will really help school all over the nation also the author also had a same thought like mines.