text: First, the article does specifically state "Your home PC cannot handle the complex algorithms used to decode Mona Lisa's smile." Most schools do not have anything stronger than a home PC because they cannot afford it. Next, Dr. Huang predicts "A classroom computer could recognize when a student is becoming confused or bored. Then it could modify the lesson, like an effective human instructor." This prediction could come true, assuming that all classrooms are devoid of any teachers.