A digital footprint is a trail of data you create while using the Internet. It includes the websites you visit, emails you send, and the information you submit to online services.
Tony Fish expounded upon the possible dangers of digital footprints in a 2007 self-published book. The closed loop takes data from the open loop and provides this as a new data input. This new data determines what the user has reacted to, or how they have been influenced. The feedback then builds a digital footprint based on social data, and the controller of the social digital footprint data can determine how and why people purchase and behave.
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