INFORMATION PROCESSING APPARATUS AND METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To share information further easily.SOLUTION: A portable telephone 101 stores a play list and music data acquired by an arbitrary method as data belonging to itself. The portable telephone 101 exchanges the play list with another device so that they can mutually transfer and receive music data which each of them holds as streaming data on the basis of the play list. Specifically, the music data (musical piece) is substantially shared. The present invention is applicable, for example, to network systems.