>>> "“I think [it] is probably going to resemble some kind of a hybrid between the social platforms that we see today, but an environment where you’re embodied in it”, Mr Zuckerberg also said. One of the benefits of this ecosystem would be that, “if you go back 20 or 30 years, a lot of people’s individual opportunities and experience was dictated by their physical proximity”, and that easy movement through a virtual space could avoid such barriers."

He seems to be saying they're getting (more) into the Black Mirror game.