You will be given a definition of a task first, then some input of the task.
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 an unspecified nature is made to the privacy policy, users are notified in an unspecified manner. Users can participate in a process to influence the change.
Output:
Not Specified