Patent ID: 8443042

Claim:
An information processing apparatus used by a first user, comprising: a processor that executes; a generating unit configured to generate recommendation information at least including an identifier, a standard ID, and a title text list, for uniquely identifying a content recommended on the basis of preference information of the first user, the identifier belonging to either a standard system in conformity to a predetermined specification and an independent system based on an independent specification; and a sending unit configured to send the generated recommendation information to another information processing apparatus which is used by a second user who is the same as or different from the first user and adapted to present the content recommended on the basis of the identifier included in the recommendation information; wherein the another information processing apparatus is configured to recognize whether the identifier belongs to either the standard system or the independent system and if the identifier belongs to the independent system, the another information processing apparatus sends the standard ID and the title text list to a music recommendation server where the standard ID is translated into an independent ID.