text: In conclusion there's many ways to reduce air pollution. There's also many advantages to banning usage of cars. Not only are people stress free and feeling good, but air-pollution decreases and Greenhouse gas emissions stop.     "Making Mona Lisa Smile," with the facial action coding system, is a way of a computer being able to read a humans emotions, isnt it kind of weird? technology is progressing more and more everyday, but this isnt something we need, why do we need to read peoples emotions? is it important?