text: The amount of improvement a classroom could see if this technology was implemented correctly would be immeasurable. The system could prevent students from falling behind in class because they cannot relate to how the teacher is teaching, and the technology could see through fake expressions hiding more troubled thoughts. With this sort of system, it may actually be possible to "make everyone happy."                         I think things should be like the old days where not everone owned cars. There many advantages in limiting car usege, such as less accedince, better formed communities. There would be more people getting to know there neibors and would be a nice friendly place to stay. People would be in better shap and we would be the fatest country in the world anymore. Experts say automobels are the leading couse of green house gases.