They tried this in Japan[1] and apparently it was a success. [1] http://www.npr.org/templates/story/story.php?storyId=14024250 http://www.npr.org/templates/sto

They tried this in Japan[1] and apparently it was a success. [1] http://www.npr.org/templates/story/story.php?storyId=14024250 http://www.npr.org/templates/story/story.php?storyId=1402425...