I know what you are guessing, you think that the mask displays what ever the emotion we carry on our face. No you are wrong, the mask is created to hide your emotions. Suppose you are so sad but you dont want to show it to your friends or neighbours instead you want to glow up your face then try out this one. You can just hide your emotion and can display what ever emotion you want, but for now it just limits to a few like happy, kinda happy, very happy, sad, another kind of sad, and angry and was made at the Hongik University in Korea