Confidentiality is easy when you start with full trust and the ability to pre-exchange secrets. I for one propose an unwritten language of moans and yodels ste

Confidentiality is easy when you start with full trust and the ability to pre-exchange secrets. I for one propose an unwritten language of moans and yodels steganographically modulating a subset of classical Chinese atop boudoir French poetry, preferably set to sitar.