In one embodiment, a method comprises identifying, in a network, user selection preferences of an identified user having accessed the network, the identifying based on an accumulation of user selection inputs executed by the identified user, the user selection inputs accumulated relative to input options presented to the user and identifying respective available network items; classifying, by an apparatus in the network, the identified user into one of multiple user affinity categories relative to an advertisement campaign for a targeted product, the classifying based on determining whether one of the user selection inputs represents a view gesture of the user having viewed the targeted product; and selecting an advertisement asset for delivery to the identified user based on the classifying of the identified user into the one user affinity category.