background:

batsoupyum created a detailed chart/diagram of "NFT Money Flow" and tweeted it out 8/21/21.
https://twitter.com/batsoupyum/status/1429221211293114371?s=21

sartoshi response: "great minds think alike batsoup i also made a chart with the exact same title" - with this image attached.
https://twitter.com/sartoshi_nft/status/1429224725348237312?s=20