Mining social network relationships

HitWise has demonstrated a correlation between LinkedIn and Gmail, YahooMail, and Hotmail and a corrleation between LinkedIn and Facebook. Hypothetically now…assume that LinkedIn and Facebook and Gmail, or YahooMail, or Hotmail share their databases, where a user’s email account address is the unique identifier. At this point it’s a matter of relational database mechanics to ascertain unique marketing–i.e., direct response, email, branding, etc–opportunities that these companies can exploit. What they (marketers, Facebook, Yahoo, etc) would likely look for would be “network neighbor” influencers (more on this in forthcoming posts).

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