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

Ex Input:
When a change is made to the privacy policy that significantly affects data practices, users are notified when visiting the website. Users can participate in a process to influence the change.

Ex Output:
Not Specified

Ex Input:
A user's IP address and device IDs is retained for an unspecified duration to fulfill an unspecified purpose.

Ex Output:
Not Specified

Ex Input:
An unspecified third party does receive your user profile for an additional (non-basic) service or feature.

Ex Output:
Additional service/feature