Example systems and methods involve an information processing apparatus configured to transmit transmission data to one or more of a plurality of other information processing apparatuses, the transmission data including identification information for content data executed by the information processing apparatus. The information processing apparatus is also configured to receive reception data from one or more of the plurality of other information processing apparatuses, the reception data from each respective other information processing apparatus including identification information for content data executed by the respective other information processing apparatus. The information processing apparatus accesses purchase information associated with purchasing content data corresponding to at least one piece of identification information included in the reception data received from the one or more of the plurality of other information processing apparatuses.