<br> <br> (1) Membership registration and management: confirmation of membership intent, identification/authentication, maintenance and management of membership, prevention of illegal use of services, sending various notices, etc.<br> <br> (2) Provision of goods or services: provision of service, delivery of contract/invoice, provision of basic service and customized service, verification of identity, age verification, bill payment and settlement, debt collection, etc.<br> <br> (3) Managing consumer complaints: identification of the data subject, confirmation of complaints, contact/notification for fact-finding, and notification of processing results<br> <br> (4) Marketing and Advertising: provision of customized advertisements, opportunities to participate in events, statistics on the use of services by data subjects, etc.<br> <br> (5) Improvement of existing services and development of new and customized services<br> <br> (6) Processing of pseudonymized information for statistical preparation, scientific research, and preservation of records in the public interest. </p> <br> <p> <strong> 2.