text: Basically, I do not think the use of this technology is valuable. Over all it is pointless from having a device to use for deciding someones mood. I think a person should experience finding out someone else's mood themselves instead of using a pointless device. Using a device to me is basically cheating, and it could all be better by a regular person figuring out emotions on a person's face.      From small town suburbs to largely populated cities, car usage can drastically affect a community. In developed worlds, personal automobiles are an increasingly popular trend, and help people go about their day to day business. Many would rather drive down the street to a grocery store of job instead of walking there even though it is common knowledge that the pollution and other harmful emissions cars create is bad for the enviroment and the people living there. The question remains, what are the advantages of limiting car usage?