The existing marketing process has focused on the process of selling specific products as mass marketing that values market share has been developed. Since the importance of selling more products produced by companies in any form, it was necessary above all to sell certain products to more customers.
However, in a marketing environment that aims at customer share, and pursues a one-on-one marketing strategy, changes in the issues that are important in the mass marketing process are required. Under this paradigm, cross-selling is achieved by repeatedly selling a variety of products to one customer, rather than selling products to more customers, and for this, how to establish long-term relationships with customers became an important issue for me.
