[{'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: Persistent identifiers: When children interact with us, certain information may automatically be collected, both to make our sites and applications more interesting and useful to children and for various purposes related to our business. Examples include the type of computer operating system, the child\'s IP address or mobile device identifier, the web browser, the frequency with which the child visits various parts of our sites or applications, and information regarding the online or mobile service provider. This information is collected using technologies such as cookies, flash cookies, web beacons, and other unique identifiers (which we define under the "Cookie Policy" section of our general Privacy Policy). This information may be collected by the LEGO Group or by a third party processing on behalf of the LEGO Group. This data is principally used for internal purposes only, in order to: • provide children with access to features and activities on our sites and applications • customize content and improve our sites and applications • conduct research and analysis to address the performance of our sites and applications • generate anonymous reporting for use by the LEGO Group'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Device_ID_1stParty, Identifier_IP_Address_1stParty, Identifier_Mobile_Carrier_1stParty.'}]