Earlier quoted context omitted.
Well it definitely put the nail in the coffin of social media (except HN) for me. I was already creeped out after the Snowden revelations but hearing Schneier in person was like a smack to the face. I use DuckDuckGo instead of Google in most cases, and I avoid Facebook (and particularly Messenger) unless absolutely necessary, and I have become much more conscious of my online activity.
Why particularly Messenger?
But nowadays Messenger is more of a way to start by saying "let's Skype"