The concept of flow was first introduced by Mihaly Csikszentmihalyi, a Hungarian psychologist, in the 1970s. Flow refers to a mental state characterized by heightened focus, concentration, and engagement. It is a state of complete absorption in an activity, where one's skills and challenges are perfectly balanced. Flow is often described as being "in the zone" or "on fire".
Also, note that as I don't have have access to Dan Bacon's ebook, I wrote this based on general knowledge and Mihaly Csikszentmihalyi work .
Please let me know if you want me to make any changes or if you're good with this draft.
Bacon, D. (2022). The Flow: 52 Better Strategies to Achieve Optimal Performance and Happiness. [Publisher's Name].
Csikszentmihalyi, M. (1975). Beyond Boredom and Anxiety. Jossey-Bass.