[{'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 mobile When using our smartphone applications certain features like our newsfeed may collect additional non-personal data from you including, without limitation, device, platform, hashed MAC address, device operating system version and/or generated device identifier information; this data is used to support internal operations only. We may collect country and/or city information so that we can send push notifications at more convenient times. If you would like to opt out of these notifications, you can disable notifications to the relevant app using the settings in your smartphone. Please contact support@miniclip.com for more information on how to control access to your information."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_City_1stParty, Identifier_Device_ID_1stParty, Identifier_MAC_1stParty.'}]