> Email is definitely not ideal, but it is: decentralized, reliable, and not going anywhere – and more and more, those feel like quasi-magical properties.
But wouldn’t a website hosted on a platform you control also serve this purpose? Even with the services mentioned in the essay you have a third-party looking over where you data is and have to rely on them if you ever want to retrieve your data back.
I guess you’d also have to add a method for facilitating contact though (uh… email?)