1. A computing device comprising: a network interface; at least one processor; a data storage; and a program logic stored in the data storage and executable by the at least one processor to: initiate, via the network interface, playback of a particular media item on a media playback system; query, via the network interface, a social media service for one or more accounts of the social media service that (i) are connected within a social network to a particular account of the social network service that is registered to the media playback system and (ii) have initiated playback of the particular media item on respective media playback systems within a particular period of time; based on the querying of the social media service, receive, via the network interface, data indicating the queried one or more accounts of the social media service that (i) are connected within the social network to the particular account of the social media service that is registered to the media playback system and (ii) have initiated playback of the particular media item on respective media playback systems within the particular period of time; and cause one or more respective indications of the received one or more accounts of the social media service to be displayed on a graphical interface in association with an indication of the particular media item.