"dweb" and "dex" have both been used a bit within the d-whatever community (that community being users/advocates of Mastodon/Matrix/DAT/Beaker/Scuttlebutt/IPFS/

"dweb" and "dex" have both been used a bit within the d-whatever community (that community being users/advocates of Mastodon/Matrix/DAT/Beaker/Scuttlebutt/IPFS/Peertube), though the latter is more common, and the former is usually used to refer to protocol handlers enabling centralised websites to refer to the decentralised ecosystem, rather than as a name for the ecosystem as a whole. So I don't think they're claiming to invent it. I do find it odd however that it's pretty much a zero-information lead-in article; it doesn't seem like this approach will hook many in unless they already know what they're referring to in advance.