[{'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: From time to time we may conduct an e-mail and/or an in-app survey and collect demographic and usage information for the purposes of internal analysis, marketing and brand development. Participating in a survey is completely voluntary. We will use the information to make our services more appealing to users. Collected information shall be anonymized and aggregated. We might collect the following information: age and gender of the user of an app, whether another person uses the app, the age and gender of the people regularly using the app, assessment of popularity of the main character, which of the characters are known to the user, which app is most commonly used, whether children under the age of 13 use the app on their own or with an adult, the gender of users playing the app, different ways of using the app, an assessment of the features of an app, the time period of using the app, which apps the user has, what would make the app more appealing, and other information needed for the purposes of internal analysis, marketing and brand development."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Demographic_1stParty, Demographic_Age_1stParty, Demographic_Gender_1stParty.'}]