text: However the new technology is valuable by telling you how what are your human emotions. For example a classroom computer can show when a student is bored or getting confused. Also it can classified six different motions. Therefore this New technology is valuable for the students in classrooms.           The advantages of limiting car usage would be less pollution, less traffic, and less money involved. For example, in the German suburbs, large garages that are at the end of development where a car-owner buys a space, for $40,000, along with a home. So cut down cost on that Germany people have given up their cars.