Given the task definition and input, reply with output. 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

When a change of a variety outside of our label scheme is made to the privacy policy, users are notified in a manner outside of our label scheme. Users must agree before their data is treated according to the new privacy policy.

Not Specified