40: The Mystery of Steganography Strictly Confidential

How often are secret messages passed in plain sight? Is it possible to have untraceable communication online without any sort encryption? I can't figure out what a winky emoji is supposed to mean half the time so it's gotta be pretty easy. In this public and highly visible  episode of Strictly Confidential, Asher and Jackson will remind you not to take everything you see at face value.