[{'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: How we use cookies We use cookies to understand, secure, operate, and provide our Services. For example, we use cookies: to provide WhatsApp for web and desktop and other Services that are web-based, improve your experiences, understand how our Services are being used, and customize our Services; to understand which of our FAQs are most popular and to show you relevant content related to our Services; to remember your choices, such as your language preferences, and otherwise to customize our Services for you; and to rank the FAQs on our website based on popularity, understand mobile versus desktop users of our web-based Services, or understand popularity and effectiveness of certain of our web pages."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]