1. A method, comprising: in a content library server: analyzing activity information associated with particular content identified in a content library which is associated with a user account, wherein the activity information comprises an indication of an absence of interaction by a user of the user account with a portion of the particular content; identifying one or more entities associated with the portion of the particular content; collecting, from various sources, information related to each of the identified one or more entities; determining, based on one or both of a result of the analysis of the activity information and the collected information related to each of the identified one or more entities, update information for the particular content; and adding, based on one or more ranking factors, item information comprising the particular content along with the determined update information to a list of items associated with the user account.