The world"s first interactive 3D display has been developed by IO2 Technology. HelioDisplay creates 3D displays in the air using lasers, drawing input from computers, TVs and DVDs. It also allows interactive applications to be controlled by a finger, instead of a mouse. "Our first generation version, the Heliodisplay, projects TV, streaming video and computer images into free space, (mid-air)", the company"s website claims.