Also known as micro-targeting
Microtargeting is the use of online data to tailor advertising messages to individuals, based on the identification of recipients' personal vulnerabilities. Such tactics can be used for promoting a product or a political candidate. Direct marketing data mining techniques that are used often involve predictive market segmentation (aka cluster analysis). Microtargeting's tactics rely on transmitting a tailored message to a subgroup on the basis of unique information about that subgroup.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).