Columbia subject headings:
Internet and teenagers.
Internet and youth.
Privacy, Right of.
Social networks.
Harvard subject headings:
Data protection
Internet and teenagers--Germany.
Internet and youth--Germany.
Internet and youth.
Internet--Security measures
Internet--Social aspects
Online social networks--Germany.
Online social networks--Security measures--Germany.
Online social networks--Security measures.
Privacy
Privacy, Right of
Privacy, Right of--Germany
Princeton subject headings: