1 billion people posting to Facebook is centralised. 1 billion people posting to 1 billion dot-whatever's is decentralised.
From one perspective, moving your Instagram, Twitter and Facebook posts under your own domain is a kind of centralisation, but it's the least interesting perspective, because so what?
The other perspective is that Facebook's (etc.) centralised service determines what you can do, what you see, who can see what you do, and ultimately because we're all products of our environment, defines you. And isn't that kind of sad?
From one perspective, moving your Instagram, Twitter and Facebook posts under your own domain is a kind of centralisation, but it's the least interesting perspective, because so what?
The other perspective is that Facebook's (etc.) centralised service determines what you can do, what you see, who can see what you do, and ultimately because we're all products of our environment, defines you. And isn't that kind of sad?