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: receive data indicating a particular media item that is currently playing on a media playback system that is registered to a particular account of a social media service, wherein accounts of the social media service are connectable with one another within a social network of the social media service; query, via the network interface, the social media service for one or more accounts of the social media service that (i) are registered to respective media playback systems that have played the particular media item on at least a threshold number of occasions and (ii) have not yet been connected to the particular account of the social media service within the social network; and based on the querying of the social media service, receive, via the network interface, the queried one or more accounts of the social media service that (i) are registered to respective media playback systems that have played the particular media item on at least a threshold number of occasions and (ii) have not yet been connected to the particular account of the social media service within the social network; and cause a graphical interface to display one or more respective selectable indications of the received one or more accounts of the social media service.