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

[Q]: 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.
[A]: Not Specified


[Q]: Another part of the company or institution does track on the first party website or app your activities on the website or app for an unspecified purpose.
[A]: Unspecified


[Q]: The site collects your survey data for marketing purposes. Collection happens by some means outside of our label scheme for users with accounts. You can choose not to use the service or feature.
[A]:
Marketing


