There's a great CCC presentation by Moxie (Signal originator) on that
https://www.youtube.com/watch?v=DdM-XTRyC9c
~summarized in text form https://signal.org/blog/the-ecosystem-is-moving/
https://www.youtube.com/watch?v=DdM-XTRyC9c
~summarized in text form https://signal.org/blog/the-ecosystem-is-moving/
I like to THINK that atproto's ability to easily move one's data between providers makes it less susceptible to the "Gmail problem," but I think I'm being naively optimistic
The answer from Matrix is here: https://matrix.org/blog/2020/01/02/on-privacy-versus-freedom...
Related thread: https://news.ycombinator.com/item?id=35141223