[{'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: When you visit the publicly available sections of Badoo, a session ID cookie is placed on your computer that only lasts while you're visiting. We also place persistent cookies (also known an local storage devices) on members' computers, so that Badoo remembers them and makes their login experience faster and easier. We may use persistent tracking cookies on your mobile device, mainly for security protection purposes, such as to prevent phishers, scammers, unauthorised log in attempts, and to help you access your hacked account. We do not use any information whilst you are logged off."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]