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View Diary: Why Domestic Spying (12 comments)

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  •  data mining (0+ / 0-)

    What is it really good for?

    •  commercial data mining (0+ / 0-)

      Commercial data mining is used all the time. For example, to find buying trends. Perhaps people who buy a certain brand of toothpaste also tend to buy a certain brand of shoes. Then advertisers use this informatin to target the relevant customers.

      You can see this technique used on sites like Amazon where they have features like "people who bought this also bought that". And "you may also be interested in".

      Other data mining tasks are monitoring fraud with credit cards. A spending pattern outside of your usual one triggers an alert.

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