The craziest thing I've ever seen is virtual property, "Digital Real Estate" which you can buy and own in a "Metaverse". Much like virtual art but can function as a game piece in a virtual setting where it can be bought, developed, traded or used as a source of income. Land prices range from .16 Ethereum - $357.24 to 1.09 Ethereum - $2434.59.
I'm an old fart as well but trying to stay current and somewhat semi innovative.
"Hand held mechanical but ever so slightly automatic bird bath and car wash".
Frank
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Poncho Huggen, Gear Snatchen, Posi Piro.