text: First, it could appeal differently to each student. This means that if it notices a kid frowning when showed a hard problem or a large group of text, it could change what it is doing but keeps the concept of what it is teaching. "A classroom computer could recognize when a student is becoming bored or confused, Dr. Huang predicts. Then it could modify the lesson, like an effective instructor." This shows that the program could be used for the betterment of teaching for different people, not all people learn the same way, so why should it all be taught the same way. The computer could fix that by modifying the way it teaches.