The use of face technology is not important to the people. The face on a painting is important but no one cares what the expression is on the face. students in a classroom are not aleays happy or mad they are mostly bord in classrooms sitting there. The claim of the article is that using face technology is a good thing or not.

So people might think it is a good thing and there are others that think it is not a good thing to use that. Why would anyone want to know if a thing or person is happy or not. He made a painting of a person that is one of everything in the painting. There would be people that want to know if a painting is happy or mad or sad. It is just a painting on a wall that you look at not think if it is happy.