On a related note. A couple of years ago I was really annoyed by all the notifications FB emailed me. I went to settings trying to change it so that FB only sends me emails if someone is tagging me or sending me a message. Maybe I'm stupid, I just couldn't figure it out. They made it so confusing and after a few attempts I just stopped receiving any notifications, missing out some important messages from people. I don't think it's just a bad UX (which it is). It's probably by design, intentionally making it hard for people to disconnect.