Un dels posibles problemes amb #bigdata, si infereixes el model en comptes de clients, et quedes amb "mostres".
Remember: Customers Are People - Not Samples

Even though analysts and Marketers might forget it at times, customers are real people with real needs and tastes. So treat your customers as if you were treating your friends, with care and love.

via http://onbe.co/GLw25D
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