@gamerlearner I'm not sure how much play to earn aspects exist in second life but this is a current catalyst for investment and use. There is a card game I saw recently, built in decentraland and it will have legs because of earnings for players.
@MarcFennell RE Hague for domains, there is they are called ICANN. Usually Legal action ends badly for domains. See https://t.co/nCQ1HcPtvD for an example.