1. A method comprising: 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 a context of input options presented to the user and identifying respective available network items, the accumulation relative to the context including an identification of the input options not having been selected by the identified user for updating affinity values of the respective available network items ignored by the identified user, the accumulation not including any rating values submitted by the identified user; 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 the user selection preferences, including determining whether one of the user selection inputs represents a view gesture of the user having viewed the targeted product, wherein the classifying includes: if none of the user selection inputs for the identified user demonstrates the view gesture, classifying the identified user based on determining preferred network items for users having the view gesture relative to the targeted product, and determining a correlation level between the user selection inputs by the identified user relative to the preferred network items, or if at least one of the user selection inputs for the identified user demonstrates a view gesture, classifying the identified user based on whether one of the user selection inputs of the identified user represents a creation gesture relative to the targeted product; and the apparatus selecting an advertisement asset for delivery to the identified user based on the user selection preferences and the classifying of the identified user into the one user affinity category, the advertisement asset selected from among multiple advertisement assets associated with the respective user affinity categories for the advertisement campaign.