TY - BOOK AU - Penenberg, Adam L. TI - Viral Loop: The Power of Pass-It-On SN - 9780340995945 U1 - 658.133 PY - 2009/// CY - Gurgaon PB - Hachette India KW - Advertising Campaigns KW - Online Social Networking KW - Viral Marketing KW - World - of - Mouth - Advertising ER -