AR- Augmented Reality
MR - Mixed Reality
VR - Virtual Reality
Each of these R's provide a new basis for delivering streaming media to new and emerging devices including VR goggles and heads-up displays.
There are key differences between each of reality. On one end of the spectrum is Physical Reality - the space we occupy, on the other end, is Virtual Reality - a totally digital environment. Between virtual and physic reality is all the other Rs of reality. Augmented reality is where you have digital objects in a physical environment. mixed reality is a combination of digital object and real people interacting with each and a physical space. Extended reality is a term used to encompass all of these digital realities -AR, MR, and VR.