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

Let me give you an example: The site collects your IP address or device IDs for advertising. Collection happens when you implicitly provide information on the website.
The answer to this example can be: Advertising
Here is why: The given policy text states that it uses user information for 'advertising' explicitly

OK. solve this:
When a change of an unspecified nature is made to the privacy policy, users are notified in an unspecified manner. Users have no options regarding the change.
Answer:
Not Specified