text: The Mona Lisa demonstration is intended to bring a smile to people's faces., while it shows just how much a computer can do. Dr. Huang predicts, "A classroom computer could recognize when a student is becoming confused or bored". He continues to go on about how it could modify a lesson like a human instructor. This can be very useful for children and teenagers who are homeschooled and take online courses. The same technology can make computer-animated faced more expressive for video games or surgery.