Talking out loud to yourself is a technology for thinking | Psyche Ideas
This explains rubber ducking.
Speaking out loud is not only a medium of communication, but a technology of thinking: it encourages the formation and processing of thoughts.
What the F***?
I saw Steven Pinker give a talk recently and he spent a fair amount of time talking about swearing. He has written up that part of the talk into an article for the New Republic.
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