Can't really tell, but also emails where decentralized and designed in a way to be as open as possible to ensure interoperability, so is DNS etc. Essentially al

Can't really tell, but also emails where decentralized and designed in a way to be as open as possible to ensure interoperability, so is DNS etc. Essentially all "classic" networked things are born decentralized, even the most classic Xerox Star Office System, probably not to be anti-censorship but just to be flexible leaving anyone free to do whatever he/she want remaining fully able to interact with the rest of the world and for fault tolerance, both things we need today...