 In this paper, we propose a model called EPIC that combines utility-driven item adoption with the viral network effect helping to propagate adoption of and desire for items from users to their peers.
<meaning-changed>  In this paper, we propose a model called EPIC that combines utility-driven item adoption with the viral network effect helping to propagate adoption of and desire for items from users to their peers.
 In this paper, we address all three limitations and propose a novel model called UIC that combines utility-driven item adoption with the viral network effect helping to propagate adoption of and desire for items from users to their peers.