hahahaha, but how cool a bridge is unfolding from your couch just at the moment it should to it for the avatars not to fall into the deep abyss called "your floor" :)

This type of devices will be implemented in our heads, directly connected to eye, or even behind the eye. I'm pretty sure of that. Will that take 10 years or 20 years, that is still the question, but we will transform ourself more and more into Robocop, that is for sure! Elon Musk just started a new company looking at exactly that, to interconnect computers with our brains. Not only he is investing in it, a lot of research is now in that space.