[{'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: Firebase Analytics is a mobile analytics services also provided by Google and governed by the Firebase Analytics terms of service. This service helps Avast understand our users and how they use Avast's apps including information about interactions with the user's mobile applications. Firebase Analytics uses identifiers for advertising on mobile applications (for example, Android Advertising ID and Advertising Identifier for iOS), and we will collect the AAID and AIiOS to understand our users, but users who wish to opt-out of the AAID and AIiOS advertisement tracking can do so through device advertising settings for mobile apps and Users who wish to avoid tracking by Firebase Analytics can opt-out in application settings. Data collected will be transmitted to and stored by Google on servers globally."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Ad_ID_1stParty, Identifier_Ad_ID_3rdParty.'}]