Privacy advocates also warn, however, that even if third-party sales of data are not allowed, the data compiled can always be accessed with a subpoena or warrant and used against the customer in court proceedings.

• 隐私倡导者们还警告，尽管向第三方出卖这些集中的信息被禁止，但在法院传票或命令之下，都可能被获取并在诉讼中对顾客不利。