The ego visualizer

Korean company Xenofreaks has created a mobile LED display, a disc-shaped device with a 2-inch LED display that can be worn armband style or around the neck. Dubbed "ego visualizer", the PIX is designed to display emotions, opinions and information ot to search for icon matches on other people's devices, and owners within range can infrared each other with images or text messages.

Via Asia Cnet News.