Columbia subject headings:
Computers and civilization.
Economic history--1971-1990.
Mass media--Social aspects.
Political participation.
Telecommunication--Social aspects.
Harvard subject headings:
Computers and civilization.
Economic history--1971-1990
Mass media--Social aspects
Political participation.
Telecommunication--Social aspects
Princeton subject headings:
Computers and civilization.
Economic history--1971-1990.
Mass media--Social aspects.
Political participation.
Telecommunication--Social aspects.