1. A system, comprising: at least one processor; and memory storing instructions configured to instruct the at least one processor to: store a plurality of person profiles for persons associated with communications received by a user of a computing device, wherein each of the persons associated with the communications received by the user is a sender to the user of one of the communications; determine a set of persons of the person profiles that are active on an online service; filter the set of persons to provide a plurality of highly-ranked persons, wherein the filtering uses a relevancy ranking for each of the plurality of person profiles; create a list using the plurality of highly-ranked persons, wherein the list is for presentation to the user on the computing device; combine, for presentation to the user, a stream of messages for the user on the online service and the list, wherein the list comprises messages from the highly-ranked persons; and replace a respective user identifier, used by the online service, for each of the plurality of highly-ranked persons with a name obtained from the corresponding profile of the plurality of person profiles when presenting a message from the respective highly-ranked person to the user.