What Is a Mare Verse?

What is a maraverse? You all just, i'm curious. We all have seen the announcements that a facebook, now known as er, formerly known as facebook, but now meta has a dived into. The meda bos is essentially unodoable where users can not just interact with each other, but also be part of a shared experience. Is very hard to put a definition to it, simply because there is not one yet,. There are many ideas of the metapors at it cor and they should keep evolving.