Btw, tangential.. some time ago I created this sketch to demonstrate a timeline having different types of AP objects on them. Not that that is the best UX, but because apparently everyone thinks in timeline widgets, so as a start 
And I just copied these notes to Social coding commons, which is themed to the less technical side of the social web, where people's needs are to be satisfied by the solutions we (co)create. By means of Social experience design. #SX
The composable service oriented fediverse
This topic serves to explore a fediverse based on “app-free computing” where services are composed, choreographed and orchestrated into social experiences.
Discuss Social Coding (discuss.coding.social)