Columbia subject headings:
Harvard subject headings:
Internet access--Germany--History--21st century.
Internet television--Germany--History--21st century.
Television broadcasting--Germany--History--21st century.
Television viewers--Effect of technological innovations on--Germany--History--21st century.
Princeton subject headings:
Internet access--Germany--History--21st century.
Internet television--Germany--History--21st century.
Television broadcasting--Germany--History--21st century.
Television viewers--Effect of technological innovations on--Germany--History--21st century.