Sci&Tech History

History of Science and Technology

Mapping Credit Card

Do you have any tendency in buying something? By clustering list of what you have bought by using your credit card, we can get some understanding about people and a certain product. A person who like to buy product A, for example, maybe have some similarities with someone who like watching metal music or literature book. For marketing, this information is used to approach niche market and increase possibility to success.

But in ethical point of view, is mapping credit card a right thing to do? Who have the access to seegoods that we buy?

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