TY - BOOK AU - Berger,Jonah TI - Contagious: why things catch on SN - 9781451686579 U1 - 658.8342 23 PY - 0000///New York, NY CY - Simon & Schuster, PB - 2013. KW - New products KW - Consumer behavior KW - Popular culture KW - Economic aspects N1 - Includes notes and index; Why things catch on -- Social currency -- Triggers -- Emotion -- Public -- Practical value -- Stories ER -