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 have a choice not covered by our label scheme.
Not Specified

The site collects your social media data for an additional (non-basic) service or feature. Collection happens when you implicitly provide information by an unnamed service or third party, and your data is identifiable. You can opt in for data collection for the collection of your information.
Additional service/feature

An unnamed third party does do something outside of our label scheme with unspecified information about you for mergers or acquisitions.
Merger/Acquisition