[{'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: Tracking technologies enable us to better understand and provide WeChat to you - for example, tracking technologies help us collect the following Information: we require your authentication information in order to provide WeChat to you; our mapping and location-based services (such as "Shake" and "People Nearby") may require Information about your location; our translation services may require Information about your language preferences; and we require certain other Information about our users in order to provide WeChat and to develop new features for WeChat.'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty, Location_1stParty.'}]