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Data broker
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{{Short description|Data collector and vendor to third parties}} {{About|the collection of personal information for use by third parties|librarians who perform information research|Information professional}} {{Use dmy dates|date=June 2022}} A '''data broker''' is an individual or [[company]] that specializes in collecting [[personal data]] (such as income, ethnicity, political beliefs, or [[Geolocation and surveillance|geolocation data]]) or data about people, mostly from [[public records]] but sometimes sourced privately, and selling or licensing such information to third parties for a variety of uses. Sources, usually [[Internet]]-based since the 1990s, may include [[census]] and [[electoral roll]] records, [[Social networking service|social networking sites]], court reports and purchase histories. The information from data brokers may be used in [[background check]]s used by employers and housing. There are varying regulations around the world limiting the collection of information on individuals; [[privacy laws]] vary. In the United States there is no federal regulation protection for the consumer from data brokers, although some states have begun enacting laws individually. In the European Union, [[General Data Protection Regulation|GDPR]] serves to regulate data brokers' operations. Some data brokers report to have large numbers of population data or "data attributes". [[Acxiom]] purports to have data from 2.5 billion different people.
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