This document discusses touchless technology that allows users to interact with screens without physically touching them. It describes a touchless monitor developed by TouchKo, White Electronics Designs, and Groupe 3D that uses sensors around the screen to detect 3D motions and interpret them as on-screen interactions. The document also mentions several other touchless technologies like the Touchless SDK, Touch Wall, eye tracking devices, gesture recognition tools, and motion sensors that enable touchless control of devices.