TY  - BOOK
AU  - Penenberg, Adam L. 
TI  - Viral loop : : from Facebook to Twitter, how today's smartest businesses grow themselves 
SN  - 1401323499
AV  - HF5415.1265  .P46 2009
PY  - 2009///
CY  - New York : 
PB  - Hyperion
KW  - Electronic commerce Marketing
KW  - Online social networks Economic aspects
KW  - Viral marketing
ER  -