esmevane, sorryI think this intuition is right. Over time, in the past, similar protocols sort of mash up into one thing as they get more use. That's bound to happen with the social web protocols that get adoption.
The people promoting POSSE (https://indieweb.org/POSSE) seem to see it, too.
In the past, safely hopping into federated / web spaces was exclusive to techy folks. That's how we got Gmail, FB, Twitter. That's happening again, but it doesn't have to.
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