The Tipping Point/Gladwell 74-84

78 But as soon as listeners started nodding, it became very persuasive.

79..non-verbal cues are as or more important than verbal cues. The subtle circumstances surrounding how we say things may matter more than what we say.

…persuasion often works in ways we do not appreciate. It’s no that smiles and nods are subliminal messages. They are straightforward and on the surface. It’s just that they are incredibly subtle.

82 It’s that the timing of stops and starts of each person’s micromovements—the jump and shifts of body and face—were perfectly in harmony.

84…the essence of Salesmen is that, on some level, they cannot be resisted.

…if I smile and you see me and smile in response.
Emotions is contagious.