Its scientists have created the Magic Bench, a blend of augmented and mixed reality that entire groups can share. It uses the combination of a camera and a depth sensor to produce a 3D recreation of you and the bench, letting virtual characters and objects interact with you as if they were there. And the seating is key to this -- it can tell the system how many people are present, where they're facing, and vibrate when a digital actor sits down. The activity you participate in depends directly on how many people are involved and what they're doing.