Service is an art! As the experts used to say! But customer service doesn't work alone, it needs elements to make it a competitive advantage for organizations and increase the employability of employees.In both the private and public sectors, quality and the continuous improvement of the services and products offered have become an ever-increasing social and commercial requirement.Depending on where you're consuming, it's called: "citizen, customer, consumer, patient, taxpayer, etc. But in all cases, the demands of your "customers" are increasing. Qualification and training are inherent needs in service, whatever its nature.