Columbia subject headings:
High technology industries--California--History.
San Francisco (Calif.)--Social conditions--21st century.
Santa Clara Valley (Santa Clara County, Calif.)--Economic conditions.
Santa Clara Valley (Santa Clara County, Calif.)--Social conditions.
Harvard subject headings:
High technology industries--California--History.
San Francisco (Calif.)--Social conditions--21st century.
Santa Clara Valley (Santa Clara County, Calif.)--Economic conditions.
Santa Clara Valley (Santa Clara County, Calif.)--Social conditions.
Princeton subject headings:
Cities and towns--Effect of technological innovations on--California--San Francisco.
San Francisco (Calif.)
Sociology, Urban--California--San Francisco.