I don't understand, every definition of AR I can find conforms to what Apple has made. This one from Wikipedia for instance: "AR can be defined as a system tha

I don't understand, every definition of AR I can find conforms to what Apple has made. This one from Wikipedia for instance: "AR can be defined as a system that incorporates three basic features: a combination of real and virtual worlds, real-time interaction, and accurate 3D registration of virtual and real objects" What is it missing?