Often, 'Customer First', or even 'Customer as the Sole Purpose', has been touted as the golden principle to conduct business in our commercial world. But to a lot of people, practising it is not as simple as it sounds. People interpret the principle in their own ways and adopt different approaches in practice.This book develops a 'Left-Right Circles' theory where customer needs are depicted as the 'Left Circle'. The book also analyzes various levels of customer needs and the key ap...