text: Some people who try to just look at someone and tell how they are feelings is not always helpful they might think its one thing but its another. Most people are not just good by going off someone's look but this computer can help out alot you don't need to try and guess what that person is feeling. Evan when some artist are trying to draw a ppersons emotion they don't always know either they would also need the computer . Dr. Huang says in te story that Da Vinci has and comuter when he draw so that he could get the specific factial expression.