Abstract
Digital signage, which consists of display, network, and information, is spreading over and expected as a growing market. Three “P”s can be pointed out as trend. 1) Personal: Home digital signage has been developed. 2) Public: Schools, hospitals, governments are now big users. 3) Pop: You can find a lot of enjoyable content. In addition, it is evolving to a more useful media connecting with digital networks and social network services.