On Thursday Mr. Zuckerberg took Facebook to the next level: Meta. Within 24 hours, the word meta, which is really more of a prefix than standalone word, topped both Google search and Tweet volume trends worldwide. As a prefix, meta is commonly used to describe things that refer to themselves. Like metadata being data about data, or metamemes being memes about memes. So why did one of the most egocentric silicon valley CEOs decide to rebrand his imperium of companies to a self-referential-pref...