Positive Feedback Loop

Positive feedback is a process in which the effects of a small disturbance on a system include an increase in the magnitude of the perturbation. That is, A produces more of B which in turn produces more of A. In contrast, a system in which the results of a change act to reduce or counteract it has negative feedback.Mathematically, positive feedback is defined as a positive loop gain around a feedback loop. That is, positive feedback is in phase with the input, in the sense that it adds to make the input larger.Positive feedback tends to cause system instability.
Posts about Positive Feedback Loop
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    … finally had a way to better stand out from other non-magazine apps. But three years later, publishers say that Newsstand is holding them back and, in some cases, actively hurting them. Last week, The Magazine, a small publication founded by Instapaper creator Marco Arment, announced that it was folding, just two years after it was first published…

    Ricardo Bilton/ Digiday- 4 readers -
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