Copyclass comprises mirroring a conversational partner’s movements to create a sense of familiarity (Part 5, Chapter 44).

Echoing comprises repeating a conversational partner’s use of language to create a sense of familiarity (Part 5, Chapter 45). See Parroting.

Eyeball Selling comprises reading nonverbal cues to improve communication; this technique often applies to sales (Part 8, Chapter 77).