NFT platforms and twitter

[zasad@]

https://decrypt.co/113007/twitter-buy-sell-nfts-tweets-magic-eden-dapper-rarible
"The integration—which is still in testing—currently works with marketplaces from four specific partners: Solana-centric marketplace Magic Eden, multi-platform NFT marketplace protocol Rarible, Flow blockchain creator Dapper Labs, and sports-centric platform Jump.trade."

Some projects do not yet have their tokens.
Why isn't Opensea on the list? Rarible lets you trade NFTs with Opensea