text: If the schools were to use FCAS they should would become a better place for students to learn. The schools would become higher in rank because the studente would get better grades. there for FACS should be used in schools.The use of technology to read the emotional expression of students face in a classroom is valuable. Its valuable because its helps students be interested in something their doing. For example the passage says, " If you smile when a Web ad appears on your screen, a similar ad might follow". That shows it keeps you interested and will keep kids interested.