An information processing apparatus includes: application execution means for executing an application program; metadata storage means for storing metadata corresponding to the application program; input means for receiving a message input by a user based on an operation of the user; selection means for selecting the metadata stored by the metadata storage means, in accordance with an operation of the user; transmission means for transmitting the message received by the input means and the metadata selected by the selection means to another information processing apparatus; reception means for receiving a message and metadata corresponding to an application program from said another information processing apparatus; and information output means for outputting the message and the metadata received by the reception means.