Downloadable content delivery management using a presence server

Methods of receiving availability data at a subscriber of a presence service include receiving from a presence server providing the presence service availability information associated with users associated with the subscriber of the presence service. Update information associated with a downloadable content record stored at a device remote from the presence server is received from the presence server. It is determined if the downloadable content record is new to the subscriber of the presence service based on comparing the received update information and current information for the downloadable content record maintained by the subscriber of the presence service. The downloadable content record may be, for example, a podcast. The presence server may received availability data associated with the downloadable content record and the presence server may be configured to provide the availability data to the subscriber of the presence service provided by the presence server in addition to the availability informat