Perhaps if you owned the NFT others could get access to view it and pay a small fee, then i could see why its an asset since it brings you income.
This is a good idea.
The idea of "dynamic NFTs" where which seems to be already in works by chainlink is a good approach too.
Could you share a link I can read up about it?
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There you go : https://data.chain.link/link-usd
Essentially, if we have on-chain NFTs (ie pure tokens or smart contracts as opposed to what Hive has/doesn't have), then its just about extending the meta-data and then responding to the external changes via an oracle.