Additional personal information collected in the Service

Additional personal information collected in the Service
Service Information to be collected
Connect SNS account
[Optional] SNS ID, SNS contacts, email, name and profile picture, list of friends
Process evidential documents of income tax deduction
[Optional] mobile phone number
Smart I Voice Service
[Optional] voice command information (text)
2-Step authentication
[Optional] mobile phone number, email
Event Winners
[Required] Product to be delivered: name, address, phone number
[Optional] Mobile product: mobile phone number* (To process public charge and tax) name, resident registration number, phone number, address, email