Columbia subject headings:
Harvard subject headings:
Online social networks--Germany.
Social media--Germany.
Television broadcasting--Social aspects--Germany.
Television programs--Internet marketing--Germany.
Television programs--Social aspects--Germany.
Television viewers--Effect of technological innovations on--Germany.
Princeton subject headings:
Online social networks--Germany.
Social media--Germany.
Television broadcasting--Social aspects--Germany.
Television programs--Internet marketing--Germany.
Television programs--Social aspects--Germany.
Television viewers--Effect of technological innovations on--Germany.