Talking out loud to oneself is a technology for thinking that allows us to clarify and sharpen our approach to a problemThis week, a woman was strolling in my street, walking in circles and speaking out loud to herself. People were looking at her awkwardly, but she didn’t particularly mind, and continued walking vigorously and speaking. Yes, that woman was me. Like many of us, I talk to myself out loud, though I’m a little unusual in that I often do it in public spaces. Whenever I want to figure...