This is a very broad point. It's compatible with everything from "anything goes as long as you connect via HTTPS" to "Big Brother is watching if you don't turn

This is a very broad point. It's compatible with everything from "anything goes as long as you connect via HTTPS" to "Big Brother is watching if you don't turn off all electronics nearby and talk quietly". The next sentence says that they haven't really thought about it yet: "We are consulting on definitions of private communications, and what measures should apply to these services."