One of the mysteries of the English language finally explained.
(Usually with capital initials) a period of major economic, social, and cultural change (following an agrarian First Wave and industrial Second Wave), in which knowledge (especially as stored and disseminated by information technology) becomes the primary productive force.
1980s; earliest use found in Alvin Toffler (b. 1928).
In this article we explore how to impress employers with a spot-on CV.