text: When asking multiple poeple they will often decide to help you with the problem. If they decide to ask one person they might not get any help at all, and then give up. People will choose to ask a group of people for more than one outcome, also because some ways to deal with something might be better than others.The technology to read the emotional expressions of students in a classroom is valuable because it can do a lot more than just read emotions to us now. It can help us understand each other, help us answer questions we didn't have the power to answer, and help us become closer as a species. The human emotion is very hard to understand, but once you do your life can become a whole lot easier.