connection with the "color corrected" co-creation wheel of Barbara Marx Hubbard. References Sources Edward de Bono. The Mechanism of Mind (1969). , introduced the term po in chapter 34, The New Functional Word Edward de Bono. Po: A Device for Successful Thinking (1972). Edward de Bono. Po: Beyond Yes and No (1973). Edward de Bono. Serious Creativity (1992). Reasoning Jargon Group problem solving methods Creativity techniques