What are the most mainstream examples of NFT 'utility'?

Token-gated discords anecdotally seem to be the #1. What else?

cma.xyz. Founder /paragraph, ceo /mirror, previously at Google & Coinbase 

soulbound nft to mimic apple airtags, easy way to track member and keep sending them airdrops and all sort of related use-cases.

Founder & Secretary of @kokonutnetwork & /coconuts 🌱🌴🥥

https://link.kokonut.network/socials

Building: web3 infrastructure for impact @C4CollabEcon

Soulbound NFTs for reputation or impact tracking are exciting as well.