主权项 |
1. A computer-implemented method comprising:
identifying a plurality of online services to which users sign on using a social sign-on account; identifying, for each user of a plurality of the users, a plurality of content items that the user accesses; grouping the users into a plurality of groups according to the online services to which the users sign on using the social sign-on account; associating, with each group of a plurality of the groups, a set of the identified content items that were accessed by the users within the group; identifying, for a first user, a first one of the groups into which the first user was grouped; and recommending, to the first user, ones of the content items that are associated with the first group and that the user has not already viewed. |