I'm fairly sure that harwoodleon is referring to positive feedback. Negative feedback acts to oppose a change (think heating system temperature control). Posit

I'm fairly sure that harwoodleon is referring to positive feedback. Negative feedback acts to oppose a change (think heating system temperature control). Positive feedback acts to amplify a change, and can result in runaway changes [1]. [1] https://en.wikipedia.org/wiki/Positive_feedback#Examples_and_applications https://en.wikipedia.org/wiki/Positive_feedback#Examples_and...