Given a part of privacy policy text, identify the purpose for which the user information is collected/used. The purpose should be given inside the policy text, answer as 'Not Specified' otherwise

The site collects something that uniquely identifies you for an additional (non-basic) service or feature. Collection happens when you explicitly provide information in an unspecified way, and your data is identifiable. You can configure your privacy using a method outside our label scheme for the collection and use of your information.
Additional service/feature