ผมนำโฆษณาชิ้นนี้มาอธิบายถึง Voice of the Customer (VOC)
The "voice of the customer" is a process used to capture the
requirements/feedback from the customer (internal or external) to
provide the customers with the best in class service/product
quality. This process is all about being proactive and constantly
innovative to capture the changing requirements of the
customers with time.