Internet privacy involves the right or mandate of personal privacy concerning the storing, repurposing, provision to third parties, and displaying of information pertaining to oneself via the Internet. Internet privacy is a subset of data privacy. Privacy concerns have been articulated from the beginnings of large-scale computer sharing.
Privacy can entail either personally identifiable information (PII) or non-PII information such as a site visitor's behaviour on a website. PII refers to any information that can be used to identify an individual. For example, age and physical address alone could identify who an individual is without explicitly disclosing their name, as these two factors are unique enough to identify a specific person typically. Other forms of PII may soon include GPS tracking data used by apps, as the daily commute and routine information can be enough to identify an individual.
It has been suggested that the "appeal of online services is to broadcast personal information on purpose." On the other hand, in his essay "The Value of Privacy", security expert Bruce Schneier says, "Privacy protects us from abuses by those in power, even if we're doing nothing wrong at the time of surveillance."
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- "The Value of Privacy by Bruce Schneier". Schneier.com. Retrieved 2015-02-09.
- Bruce Schneier (May 18, 2006). "The Eternal Value of Privacy by Bruce Schneier". Wired.com. Retrieved 2016-07-19.