Social theory, periods of rapid social change inspire some members of society to reﬂect
critically on their circumstances.
⁃ Postindustrial economy is deﬁned as a “productive system based on service work
and the extensive use of information technology”
⁃ Changes in the way human societies produce their means of subsistence are
generally characterized as revolutions.
⁃ Revolutions involve fundamental changes to economic and hence, to political
and social activity.
⁃ The ﬁrst revolution, the agricultural revolution, replaced a semi-nomadic hunting
and gathering mode of production with one based on farming, the keeping of
livestock, and sedentary communities.
⁃ This industrial economy has been overtaken by another revolution in productive
technology; this time, the social, political, and economic changes are driven by
⁃ characterized by a shift in the importance of three productive sectors in the
economy- the primary sector, the secondary sector, and the tertiary sector.
▪ The primary sector is based upon the extraction of raw materials from the
▪ This sector dominates in an agricultural economy.
▪ The secondary sector involves transforming such raw materials into goods.
▪ This sector dominates in an industrial economy. A postindustrial economy is
characterized by dependance on the tertiary or service sector.
▪ The Postindustrial Revolution emerged as industrial societies