Patent ID: 8156446

Claim:
An information processing device comprising: a content storage unit which stores content; a history information processing unit which acquires history information associated with the content, analyzes the history information, and outputs history display information on the basis of the result of the analysis of the history information; a display unit which displays the history information for the content on the basis of the history display information; a history information storage section which stores the history information; and a communication unit which connects to a communication network, wherein the history information processing unit has an update section which updates the history information and a history information output section which outputs the updated history information to an external device, the update section adds, to the history information, at least device identification information for the information processing device, history identification information to identify the number of transmissions/receptions of the content and transmission/reception method information indicating a method of transmitting/receiving the content, and thereby updates the history information, and the display unit displays a device icon indicating a device specified by the device identification information contained in the history information, a first direction icon which indicates the direction of the transmission/reception of the content among the devices specified by the transmission/reception method information, and a transmission/reception method icon which indicates a content transmitting/receiving method specified by the transmission/reception method information.