Introduction: A Look at Quality Control from Past to Present We all know that the path of quality has been an evolutionary one. From Quality 1.0, which focused on final inspection and defect detection, to Quality 2.0, which introduced process control and standardization, and then to Quality 3.0, which brought Total Quality Management (TQM) and employee engagement to create a culture of quality across the entire organization— today, we have entered a new era. An era known as Quality 4.0