text: There will be people against the idea because they would feel vulnerable with a computer actually reading their emotions. It would be more practicle for you in different ways such as ajusting a lesson in school when you are starting to get bored or drousy. The computers would have a dumbed down version of the algorithm because most home desktops would not be able to work with such a complecated system but instead would be able to use the algorithm in detecting small things like a smile or a frown to tell if you liked what was on your computer monitor or not.