“…Success in marketing through online social media apparently critically depends upon understanding the social network that may have a potential interest in your product or service and by identifying the key attributes about the influencers that will spread your marketing message (Lindsay,et al [35]). Yet, this is easier said than done, because to date nobody really understands how online social networks get organized (Aral,et al [3], Cha,et al [12] [13], Li and Bernoff [33], Mayande [37], Weber and Mayande [52], Wiertz,et al [54]).…”