Given a part of privacy policy text, classify it into one of these categories: 
 (1) First Party Collection/Use (how and why a service provider collects user information), 
 (2) Third Party Sharing/Collection (how user information may be shared with or collected by third parties), 
 (3) User Choice/Control (choices and control options available to users), 
 (4) User Access, Edit, & Deletion (if and how users may access, edit, or delete their information), 
 (5) Data Retention (how long user information is stored), 
 (6) Data Security (how user information is protected), 
 (7) Policy Change (if and how users will be informed about changes to the privacy policy).

A user with an account can opt out (by contacting the company) from the use of unspecified information by a third party, which collects or receives it for advertising.
User Choice/Control
The passage describes how the company provides a user with an account the option to prevent their information from being used by a third party for advertising purposes. Since it talks about options available to users, it can be classified as describing User Choice/Control.
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