text: Here is why cars should not be driverless, because they cost way too much money. They also need you to be alert at all times just in case there is an obstacle in the road. And finally, they could cause problems between manufactuers and people, because if an accident happens, then who is to blame for it. Simple cars, should not be driverlessCan you always tell if a student is happy or sad by the way he/she looks? With the new technology invention, we can totally see if a student is happy/sad. The use of the Facial Action Coding System is valuable in a class room. it can recognize emotions, it can recognize when a student is becoming confused or bored in class and lastly, it can create emotional communication.