s-curve
Foster, R. N. Innovation: The Attacker's Advantage, 1986. New York: Summit.
Rogers, E. M. (1995). Diffusion of innovations. Macmillian Publishing Co. http://doi.org/citeulike-article-id:126680
Chapter 1 INNOVATIVENESS AND ADOPTER CATEGORIES
CLASSIFYING ADOPTER CATEGORIES ON THE BASIS OF INNOVATIVENESS
The S-Curve of Adoption and Normality
https://gyazo.com/af2c12677802cdbc082990a6b073828c
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