Given a part of privacy policy text, identify the type of personal information which is collected, used, tracked or retained. The type of information should be present inside the given policy text, answer as 'Not Specified' otherwise

[EX Q]: The site collects your unspecified information for personalization or customization. Collection happens in an unspecified way.
[EX A]: Unspecified

[EX Q]: The site collects your demographic information for a basic service or feature. Collection happens when you explicitly provide information on the website for users with accounts. You can opt in for data collection for the collection of your information.
[EX A]: Demographic

[EX Q]: The site collects your contact information for a basic service or feature. Collection happens when you explicitly provide information on the website for users with accounts, and your data is identifiable. You can opt in for data collection.
[EX A]:
Contact

