Conversation

After hearing how Meta disclosed the identity of a mother and daughter discussing what they thought were private things, I'm less happy about centralized (or federated) messaging.

Real privacy has to avoid using a predictable central server. I'd like to suggest these peer-to-peer based messaging systems:
https://jami.net/download/
https://cwtch.im/
https://getsession.org/
https://scuttlebutt.nz/get-started/

Read. Learn. Convince your friends.