In a method of ranking or filtering new content items for presentation to members of a group of users of a social-networking service, content items that are candidates for presentation to the members are received. A user of the social-networking service is enabled to serve as a curator of the candidates, with the enabling including enabling the user to scroll through subsets of the candidates in a carousel user interface to indicate an opinion of the user with respect to an importance to the group of each of one or more candidates. One or more of the candidates are presented to the members of the group based on the opinion of the user with respect to the candidates.