TY - BOOK N2 - From Google to Facebook, the author delves into how a "viral loop," a situation where using a product means needing to share it with others, can make an online business a success. AB - From Google to Facebook, the author delves into how a "viral loop," a situation where using a product means needing to share it with others, can make an online business a success. T1 - Viral loop :from Facebook to Twitter, how today's smartest businesses grow themselves / DA - c2009. CY - New York : AU - Penenberg, Adam L. ET - 1st ed. CN - HM742 CN - HM742 PB - Hyperion, PP - New York : PY - c2009. ID - 335297 KW - Viral marketing. KW - Online social networks KW - Electronic commerce KW - Business SN - 9781401323493 SN - 1401323499 TI - Viral loop :from Facebook to Twitter, how today's smartest businesses grow themselves / ER -