Kinect-powered eyeball blinks to life when you enter a room and follows you around until you leave. The Technology Studio created this “display” by hacking together a large, spherical Puffersphere display with some custom software. They created a how-to as well, should you want to frighten children or coworkers with a giant, human-tracking eye. You can download the video from the Technabob channel here: http://www.technabob.com/video-video-of-the-display.”]
Source: https://gizmodo.com/freakish-kinect-eyeball-hack-follows-you-around-the-roo-5783672