[{'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: Performance and functionality cookies: These cookies are not essential, but help us to personalize and enhance your online experience with Netflix. For example, they help us to remember your preferences and prevent you from needing to re-enter information you previously provided (for example, during member sign up). We also use these cookies to collect information (such as popular pages, conversion rates, viewing patterns, click-through and other information) about our visitors' use of the Netflix service so that we can enhance and personalize our website and service and conduct market research. Deletion of these types of cookies will result in limited functionality of our service."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]