Why we should fear Google...
"By combining information on the kinds of goods an individual purchases from their stores over several visits with other information about that individual's sociodemographic characteristics (such as age, ethnicity, and level of education) gleaned from public records databases, Target's predictive analytics program can deduce whether an individual shopper possesses characteristics that make them particularly susceptible to the specific marketing efforts."
preview.tinyurl.com/82whhnv