The Diffusion of Innovation, 5th ed by Everett Rogers

Gabriel Tarde

  • Tarde was a French lawyer and judge around 1900. He observed that for every ten new ideas that spread, ninety will be forgotten. He also observed that the rate of imitation usually followed an S-shaped curve and that the takeoff in the curve begins to occur when the opinion leaders in a system use a new idea. Forty years later his observations were put to the test by empirical research.
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One Response to “The Diffusion of Innovation, 5th ed by Everett Rogers”

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