Even Microsoft is working on a mood driven device that works based on the emotional state of a user. They have filed a patent application for this concept. The

Even Microsoft is working on a mood driven device that works based on the emotional state of a user. They have filed a patent application for this concept. The mood driven device uses various sensors to determine mood of a user and then change its shape that visually mirrors user’s emotional state. The patent application also suggests that Microsoft will work on a robotic butterfly that will move its wings according to your mood that represents your emotional state. You can read more about it here - http://greybmusings.wordpress.com/2014/07/04/microsoft-device-that-behaves-based-on-your-mood/ http://greybmusings.wordpress.com/2014/07/04/microsoft-devic...