Blu Ray, as a medium for distributing feature films, is dead. It was the last mainstream physical format. We will not see its like again, etc. Taken from us too soon, it never properly escaped from the shadow of its older brother DVD, largely because unlike DVD the advantages presented by Blu Ray never particularly outweighed the disadvantages.
For those in their mid-thirties, cast your mind back to how you imagined the future. Did you see your future-self wearing 3D glasses reclining on a smart-chair, awaiting an evening printed meal served by your domestic droid as your 3D TV pumped out ads for trips into space? Maybe, but I am guessing the glasses were not part of that fantasy vision.
About nine months ago, while giving a presentation on the impact consumer technology is and will continue to have on the workplace, I observed the phenomena of toddlers trying to switch over TVs by swiping the screen. Why do they do this? Because their point of reference is an iPad and three-year-olds already know how an iPad works.