I really wish the Mastadon README had some more discussion about what exact problem the system is designed to solve. Closest I can find is "A decentralized solution to commercial platforms, it avoids the risks of a single company monopolizing your communication."

Which is great and all, but... what does that mean exactly?

As an end user, I expect that to mean something like "when the org/entity that shuts down the instance your account is on decides to shut it down, your account/data/history is safe/recoverable, and easy to move somewhere else."

But it doesn't seem like that is the case now, and the README gives no indication at all if that is actually the long term goal or not.

@esnyder the whole thing assumes that you either run your own shard or trust whoever runs the shard you're on. there's nothing to protect you from your shard doing bad things
@esnyder intuitions about email apply
@parataxis I like that way of thinking about it. But I know how to back up my email history. Mastodon conversational/liking history... not so much.