https://www.theguardian.com/technology/2017/jun/26/google-will-stop-scanning-content-of-personal-emails
Probably you're not chicken-little, but keep in mind Google's scanner generally doesn't clearly know if you're buying to learn, or buying because of who you are. I'll leave it at that.
Now for Verizon, and their buddies, you have to watch your encryption flags. Logos is good about that (from what I can see). Free newspapers (eg BBC) are going to become a problem.
