Microtarget

To direct tailored advertisements, political messages, etc., at (people) based on detailed information about them

Microtargeting lets campaigns tap Facebook's vast caches of data to reach specific audiences with pinpoint accuracy, going after voters in certain neighborhoods, jobs and age ranges, or even serving up ads only to fans of certain television shows or sports teams.

Sanskrit equivalent

सूक्ष्मलक्ष्यीकरणम्