Columbia subject headings:
Digital communications--Economic aspects--Austria.
Digital communications--Social aspects--Austria.
Online social networks--Austria.
Social media--Austria.
Harvard subject headings:
Digital communications--Economic aspects--Austria.
Digital communications--Social aspects--Austria.
Online social networks--Austria.
Social media--Austria.
Princeton subject headings:
Digital communications--Economic aspects--Austria.
Digital communications--Social aspects--Austria.
Online social networks--Austria.
Social media--Austria.