'Precisely three years and two days ago, my colleague, business partner, finest thought-clarifier, and most erudite friend, Dr Cynthia Elaine Lewis, passed over into Glory Land. She died suddenly on December 31, 2022. Toward the end of 2022, shortly before her passing, I coined the syllogism billioneering. Cynthia asked me—quietly but insistently—to define it rigorously. At the time, I did my best. It was not enough. What follows is a clarified Comparative Map: Billioneerin