Worth pursuing in more depth for both blog and book
Why did human language originate? Tools? Social groups? Other? What kind of proof could we ever have?
Pivot questions. Why, how, and when
Painting using negative space. Hiring for weakness. Success by failure avoidance. Popper's falsifiability. Scoping by deciding what you're not going to do.
Learning loops: ontology/taxonomy-deduction, factor analysis-abduction, falsifiable hypothesis-clarification, pivot question, language modification, translation of language into formal system