1. An information processing apparatus comprising: content storage means for storing a plurality of pieces of content; background-image storage means for storing a background image corresponding to the plurality of pieces of content stored in the content storage means; attribute-information storage means for storing attribute information for each of the plurality of pieces of content stored in the content storage means in association with the plurality of pieces of content, the attribute information for each of the plurality of pieces of content including a corresponding position in the background image; classification means for classifying the plurality of pieces of content into one or more clusters on the basis of the attribute information stored in the attribute-information storage means; and rendering means for rendering images indicating the classified pieces of content in a predetermined order on a cluster-by-cluster basis and rendering an area of the background image, the area including the corresponding position included in the attribute information of content corresponding to at least one of the images rendered.