micromarketing
noun[U]
COMMERCE,MARKETINGuk/ˈmaɪkrəʊˌmɑːkɪtɪŋ/ustheactivityofmarketingproductsorservicesdirectlytoparticulargroupsofpeoplebasedoninformationthat has beencollectedabout them:
Micromarketingallowsretailerstostandout in anincreasinglycrowdedmarketplace.
Compare
niche marketing