They tells us after he buys the article if he likes it
We hope that a customer will always stay with us
The concept of feedback is intended to use the output of a system as input back into the system as part of a chain of cause and effect, this changes the variables in the system and thus results in different outputs and therefore different reactions as well, which can be good or bad, and if there is A system that requires knowledge of outputs in order to improve or output a specific output, it is basically the concept of taking the outputs and using them as inputs, either to increase the payment of the system or produce desired outputs, a good example of this is the feedback used in the assembly line, when the output does not achieve the minimum quality or the amount set by the system, it adjusts itself to either increase production speed or even stop automatically
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