text: In the text the author says, "Most human communication is nonverbal, including emotional communication," notes Dr. Huang. "So computers need to understand that, too." Technology could also be very helpful for learning. The author says, "A classroom computer could recognizd when a student is becoming confused or bored," Dr. Huang predicts. He also says, "Then it could modify the lesson like an effective human instructor." This technology could help sense if someone is in danger but they do not want to say that they are. In paragraph 5 in the text the author says, "Of course, most of us would have trouble actually describing each facial trait that conveys happy, worried, etc. I do agree that technology would be valuable to read students emotional expressions.