An information processing apparatus includes a communication unit and a control unit. The control unit is configured to control the communication unit to receive a plurality of pieces of post information sent from a first user, to obtain a plurality of pieces of evaluation information of another user with respect to the received plurality of post information, to classify the plurality of pieces of post information into a plurality of clusters, and to determine, as an advantage cluster of the first user, a cluster with the highest evaluation in the plurality of pieces of evaluation information out of the plurality of clusters.