[{'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: How do we use your information? We may use information we collect for the following purposes: • to register you or your device for a Service; • to provide a Service or feature you request; • to provide customized content and provide personalized services based on your past activities on our Services; • for advertising, such as providing customized advertisements, sponsored content and sending you promotional communications; • for assessment and analysis of our market, customers, products, and services (including asking you for your opinions on our products and services and carrying out customer surveys); • to understand the way people use our Services so that we can improve them and develop new products and services; • to provide maintenance services for your device; • to conduct free prize draws, prize competitions or promotions, as permitted by law; and • otherwise with your consent."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]