text: In conclusion, You should not make it required to stay after school because we might have a job,parents that are divorced,wont have much time to chill, and our siblings might have to walk there house by them self. How would you feel if someone knew how you were feeling all the time? Well now they can. Scientis have created a new software that can detect human emotion to see just how exactly you're feeling. Is it useful? Or is it invasive? I think that it is useful, and here's why.