text: All students should participate in extracurricular activities because participating them can help students in so many ways. They can teach students what they like and what they dislike and learn different things depending on which activity you're apart of. Students also get to have fun and spend time with their friends while also working and participating with the activity.the technology that reads the emotional expression of humans is a good idea because. it will bring more intrest in the persons activity allowing you to continue your activity.