You will be given a definition of a task first, then some input of the task.
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

The site collects something that uniquely identifies you for a basic service or feature. Collection happens in an unspecified way.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Personal identifier