Today’s customers expect supreme services and an easy way to achieve their goals. When I go shopping, for example, I expect the store to have all the goods I need, I don't want to wait in line at the checkout, I want the convenience of paying with my smartphone, and so on. It should be the priority of any business today to optimize all of its processes in such a way as to ensure the greatest possible level of customer satisfaction and in this way to increase customer loyalty....