text: I think students shouldn't have cell phones ay all because that can affect the students grade and make them repeat the same grade.The use of this technology to read the emotional expressions of students in a classroom is valuable. The artice is saying that the new techonology can determine ones emotions due to their face muscles. This new techonology being able to read the emotional expressions of students in a classroom is valuable because it could let a teacher or someone know that something is wrong and could help them. Also, it is valuable because like the article said if the student seems confused or unintrested the computer could modify the lesson. Another reason why it is valuable is because it could help with classes that you're taking.