1. Intro In a bold revolt against the tyranny of the Lindy effect, I recently finished Leidy Klotz’s month-old book Subtract: The Untapped Science of Less. Klotz’s central argument is that individuals and societies systematically neglect subtraction as a means of change, and that this leaves plenty of low-hanging fruit for those willing to embrace it. At first glance, the book might appear to an ironically-redundant rehashing of the well-worn themes exemplified by