Purpose of Personal Information Collection and Usage - user identification according to service use, real name confirmation, confirmation of subscription intention, age restricted service use – notice delivery, securing communication path for handling complaint, securing accurate delivery destination information when delivering goods, data for latest information guide including new service and provision of personal customized service - provision of other smooth service of good quality ▶ Items of personal information collected – name, email, resident registration number - address, contact, cellphone number, and other optional items ▶ Period of retention and use of personal information - Basically, personal information is destroyed without delay when the purpose of collecting or providing personal information is achieved. However, in order to provide smooth consultation service and customer service, the content may be retained for 3 months and it may be retained for certain period of time in case it is required to be retained in accordance with other acts including the act on the consumer protection in electronic commerce.