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An S-Shaped Adventure: Predictions - 20 Years Later, One of the book's many success stories

In the figure below we see a graph that was first published in Predictions where the thin dotted lined presented a forecast/scenario for the future. The little circles indicate what actually happened during the following 29 years. The agreement is excellent! A rising trend was successfully forecasted from a horizontal trend, 15 years ahead of time!

 
 
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