Okay. Well let's get things started by offering a definition of quality control. And to do so we're going to hear from one of the giants of quality control, Dr. Kaoru Ishikawa, the person credited with defining what we call the 7 QC Tools today. Well when asked to define what quality control was, Dr. Ishikawa said, "...that it consists of developing, designing, producing, marketing, and servicing products and services with optimum cost-effectiveness and usefulness which customers will purchase with satisfaction.