Are Microblogging services (Twitter, mastodon, threads…) and (group) messaging services (WhatsApp, iMessage, telegram…) really distinct product categories?
On the protocol side: ActivityPub and Matrix?
Today they are. But why? They sure overlap in many ways.
@J12t They're all "number-independent interpersonal communications services".
https://eur-lex.europa.eu/eli/reg/2022/1925/oj#007.001