Abstract: A communication apparatus is provided. The communication apparatus includes a communication unit configured to receive point of interest (POI) information from a POI server, a storage configured to store the received POI information, a location information receiver configured to receive location information on the communication apparatus, and a controller configured to determine whether there is a user activity on a POI based on the location information received by the location information receiver and the POI information stored in the storage, and store activity POI information according to the determined user activity in the storage.

Abstract: A media file playing apparatus and a media file providing apparatus are provided. The media file playing apparatus includes: a communication unit which communicates with at least one media file providing apparatus which provides a media file; a media file player which plays the media file; and a controller which receives a request to play the media file from the media file providing apparatus, transmits control information about the playing of the media file to the media file providing apparatus, receives the media file and a control signal from the media file providing apparatus, and controls the media file player to play the media file in accordance with the received control signal.