Mixed reality (MR), sometimes referred to as hybrid reality (encompassing both augmented reality and augmented virtuality), refers to the merging of real and virtual worlds to produce new environments and visualisations where physical and digital objects co-exist and interact in real time. Not taking place only in the physical world or the virtual world, but a mix of reality and virtual reality, encompassing augmented reality and augmented virtuality. frame|right|An Example Mixed Reality: Virtual characters mixed into a live video stream of the real world.