The 21-Day Sprint: A Framework for Functional Fluency

The Inspiration In the book The First 20 Hours, Josh Kaufman argues that the 10000 hour rule only applies to becoming a world class expert and about 20 hours is all that is needed to become “good enough” at most hobbies or professional skills. Why 21 Days? The goal of any sprint shouldn’t be mastery. It should be functional fluency. Becoming good enough to use the new skill to create something and overcome barriers that may come up along the way. ...

January 10, 2026