1. A system, comprising: an electronic data storage configured to store content items and an established category with which a first subset of the content items are associated; and a processor, coupled to the electronic data storage, configured to: generate a new category different than the established category and related to a second subset of the content items based, at least in part, on a relationship of the content items of the second subset with respect to one another; identify a statistic related to an inclusion of at least some of the content items of at least one of the first subset and the second subset into a social network by users of the social network; and cause information related to the statistic to be displayed on a user interface.