text: In conclusion the advantages of limiting your car usage helped reduce smog, and make peoples life easier by reducing green house gasses and creating less space for parking and making more space for stores to be placed a walk away, on a main street rather than in malls along a distant highway.    Yes,the use of this techology is valuable beacuse maybe what you'er are upset and there is no one there to make you feel better. "That at least according to some new computer software that can recognize emotions. The person who is making the software is Thomas Huang,of the Beckman institute for advanced science at the university of illinois"(paragraph 1) .Huang is doing this by trying to recongnize other people facial expression. This computer software is a 3-D printer which can make a mode of the face."The process begin when the computer constructs a 3-D computer model of the face; all 4 major muscles in the model must move like human muscles"(paragraph3).A 3-D printer is way better then a normal printer. At least for a 3-D printer it gives you all the close up details of how they are feeing.