There's this thing that keeps happening where I'm trying to organise something with friends – a meetup, a quick chat, whatever – and I'll suggest Signal. And I'll get that look. You know the one. The "why are you making this complicated?" look. The "can't we just use WhatsApp like normal people?" look.
In the Fediverse and Bluesky decentralisation is a very relevant shared mental framework. Communities take on a shared mental framework to understand a technology. This essay shares some thoughts on this shared framework