Manifesto co-author Jim Highsmith described the trajectory of Agile adoption from the 2001–2004 Rogue teams, 2005–2010 Courageous Executive, and 2011–2021 Digital Transformation.

Real Options and Feature Injection creator, and BDD contributor Chris Matts, described the changes of sentiment toward Agile through the bell curve of the Diffusion of Innovation, from the age of innovators to the crossing of the chasm, up to the laggards.

Book author Daniel Mezick put the spotlight on the exploitative Ag...