1. Explain how feedback from customers can be used as part of a control system. Find from internet at least three examples of companies (websites) that implement feedback as part of their customer service system. Describe how these feedback systems are implemented thru their websites.
2. What type of control is preferable-preventive, concurrent, or corrective? Why? What type do you think is most widely used in practice?
3. In terms of of characteristics of an effective control system, where do you think most control systems fail? Why?
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