The concept of the metaverse has evolved rapidly in recent years and can now be considered established, even though the term “metaverse” is arguably overused (see also Chapter 10—The Current Addendum 1—Still Relevant: Has the Hype Already Passed?). This establishment encompasses both its acceptance as a field of technological research and development, as well as its acceptance in business and society. Both technological advancements and economic investments have now ushered the concept into a new phase of relevance.