Digital

Precision Microtargeting

What it is

Using detailed personal data to deliver individually customized persuasive messages at scale, exploiting each person's specific psychological profile.

How it works

Data brokers and platforms collect thousands of data points per person: demographics, browsing history, purchases, location, social connections, psychological traits inferred from behavior. This data powers individualized messaging — each person sees a different version of the same campaign, crafted to exploit their specific fears, desires, and vulnerabilities.

Real-world examples

  • •Cambridge Analytica using Facebook data to target individual voters with customized political messaging.
  • •Insurance companies using browsing data to identify anxious individuals and serve them fear-based ads.
  • •Political campaigns sending different messages about the same candidate to different neighborhoods based on demographic data.

Ethical guidelines

  • ●Psychological profiling for persuasion without consent is a violation of autonomy.
  • ●The opacity of microtargeting — where each person sees something different — prevents public accountability.
  • ●Data collection for persuasion profiling should require explicit, informed consent.

How to defend against it

  • ►Use privacy tools: VPNs, ad blockers, tracker blockers, and privacy-focused browsers.
  • ►Opt out of data broker databases and exercise your rights under privacy laws like GDPR and CCPA.
  • ►Recognize that the ads and content you see are personalized to your profile — they are not universal.

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