Michael Eck, the author of the Book of Threes, delivered a Power Point Presentation at the Art Institute of Philadelphia in 2008 regarding the nature of concepts in threes. By looking at simplification, completion, and memory, he speaks about how these areas occur simultaneously.
Currently, the presentation is web enabled but is only viewable in Microsoft Internet Explorer (as it was exported from Power Point). The file location is The Book of Threes Video.
It is best viewed with a high speed connection. . .