[{'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: On Android-based devices, we DO collect your device id via Flurry, a third party analytics tool. User's device id is required in order to know how many users use any given feature. This helps us remove confusing features and make our apps more user-friendly."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Device_ID_1stParty, Identifier_Device_ID_3rdParty.'}]