To output effectively and at a low cost an advertisement image to a video apparatus having a large screen.

A portal site 101 receives image data photographed by a portable telephone with camera 100 from the portable telephone with camera 100, registers the received image data, sets a time for outputting (data output time) the registered data to video equipment having a large screen, registers the set data outputting time to a schedule list 104, outputs the image data registered in accordance with the schedule list 104 to the video equipment having a large screen, and outputs/displays the image data acquired by the video equipment having a large screen 103.