A daily Japanese newspaper, the Tokyo Shimbun, has recently launched an app that allows children to scan specially-marked articles with their smartphone, which then reveals various kid-friendly content related to the article. An anime character, for instance, might pop up on a child's smartphone screen and explain the article in kid-friendly terms. Various graphics and pop-up headlines may also be revealed. The app, AR News, was developed by a Japanese firm known as Dentsu, which was contracted to create a solution that would make newspapers, and newspaper reading, more enjoyable to children. To use the app, a child simply has to find an...