text: In conclusion, using your phone while driving is very dangerous, but that's why there are Bluetooth and hands-free calls now which makes everything better and safer. Drivers should not be able to use cell phones while operating a vehicle, unless they have a Bluetooth device, which either way, they have to be safe and careful for their safety.         the article, Making Mona Lisa Smile, the author describers how a new technology called the facial action coding system enables computers to identify, human emotion the university of amsterdam, Dr. huang and his colleague are experts at developing better ways for human and copmputers to communicatre. a computer recognize the subtle facial movements we human use to express we feel. the computer constructs a 3-D computer model of the the face, all 44 major musclues in the model must move like human muscles.