Most atheists are quite quiet about it. Some atheists are very active in discussing their atheism online.
How do typical atheists and very online atheists differ? On some things (basic personality), not much. On other things (intergroup attitudes), lots.
Caveats abound, but I wrote a thing about some recent survey results. Enjoy!
#atheism
https://onlysky.media/wgervais/the-few-the-loud-how-very-online-atheists-differ-from-other-atheists/