text: As you can see, taking online classes or videos conferencing from home, not helps the students to learn because if they are confusing they will get bad grades , nobody answer their question or doubts and they don't have rulers or limited to use any electronics devices. This is not a benefit for students.Can this technoloy really be valuable in a classroom? I'm sure it can. This technoloy can help the teachers understand the students more. With this we can make the students understand the lecture more, helping the teachers come up with a more understanding lesson." The facial expressions for each emotion are univesal",said Dr. Huang. I put this quote , beacuse i think is says a lot about human emotion, we all have different was of showing how we feel indiviually and with this technoloy it can hep with understanding each other.