[{'role': 'user', 'content': 'Analyze the following clause from a privacy policy and determine if it\'s fair or unfair. Also identify any privacy practices mentioned: Webzine Toggle Feature: This is Non-Personal Information. Each time you visit a website, the Application needs to send your current user URL to the Application server to check whether there is a matched Webzine column for that URL. None of the URLs are stored by MoboTap. Instead, these URLs are used to cross-index if a Webzine for the current website exists. If it does, the current website is immediately converted to Webzine format; if not, it remains the standard mobile site. This feature is turned off unless you click the "Toggle Webzine" button.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]