In DUNE, everyone had wealth in the form of bodily fluids, except that their water belonged to the tribe, and the dessicated remains to their family. There's a lot more inspiring (or not) matter about recycling, and also some sub plots that might relate to modern day discoveries about DNA, auras , bioenergy fields, and ghosts, and how the human mind can (perhaps) change or repair its own DNA.
But, most of us have wealth that we may never consider: intellectual property wealth. What might once have been included in ones estate as photograph albums, diaries, scrapbooks, reels of film and carousels of slides may now be stored and locked in a "cloud" or server farm belonging to a big tech entity. Without a password and a plan, ones beneficiaries might not be able to reclaim digitally stored NFTs, bitcoins, domain names, photographs, social media accounts and so forth.
Legal blogger Nicole L. Petrow of the law firm McGrath North Mullin & Kratz discusses the important steps one should take to ensure that ones loved ones are able to inherit ones sentimental and financial digital treasures... not to mention ones Facebook account.