[{'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: We may use third party providers for the in-app surveys and they may place their tags within an Application to collect non-personally identifiable data from the device ("Tag Data") solely for the purposes of conducting the survey, such as to collect cross device information in order to enable the deduplication of audiences across devices. These providers may use the data collected from the survey and Tag Data on anonymized and aggregated basis together with the data from other partners ("Unified Data") to publish syndicated reports on internet behavior and trends. If you do not wish to receive promotional, marketing or research materials please send an e-mail to unsubscribe@talkingfriends.com and your e-mail will be excluded from our user database. If you do so you will no longer receive special and discount offers from us. If you wish to opt out from conducting an in-app survey, do not click on the survey button or deny answering the survey questions.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]