[{'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: The DAA offers AppChoices, a separate choice tool for users to exercise control over the collection and use of data through mobile applications for interest-based advertising and other related uses. To exercise choice for participating companies, you can install the DAA's AppChoices application on your mobile device. Visit here for more information on DAA's AppChoices tool."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]