That is an oxymoron. Steganography is the act of hiding things in plain sight and speaking about it, by definition, is improper and unnecessary because it’s all there in plain sight for everyone to see.
Here is a person who uses Steganography to hide another COMPLETE person…
He was there all the time right in front of you. Did you not see him?
So, do not tell people “Open your eyes!”… say “Look around you!”