Columbia subject headings:
Harvard subject headings:
Information society.
Mobile communication systems--Social aspects.
Princeton subject headings:
Cell phones--Japan--In mass media.
Cell phones--Japan--In popular culture.
Cell phones--Social aspects--Japan.
Comic books, strips, etc.--Social aspects--Japan.
Information society--Japan.
Popular music--Social aspects--Japan.
Television soap operas--Social aspects--Japan.
Women's mass media--Japan.