TY - BOOK AU - Berger, Jonah TI - Contagious: Why Things Catch On SN - 9781471111693 U1 - 659.133 PY - 2013/// CY - New York PB - Simon & Schuster KW - Consumer Behavior KW - New Products KW - Viral Marketing KW - Word - of - Mouth Advertising N1 - Contents: 1. Social Currency 2. Triggers 3. Emotion 4. Public 5. Practical Value 6. Stories ER -