https://en.wikipedia.org/wiki/Hype_cycle
The Gartner hype cycle is a graphical presentation developed, used and branded by the American research and advisory firm Gartner to represent the maturity, adoption, and social application of specific technologies. The hype cycle framework was introduced in 1995 by Gartner analyst Jackie Fenn to provide a graphical and conceptual presentation of the maturity of emerging technologies through five phases.