[{'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: Providing and optimising our Services We use your information to enable us to provide our games, websites, advertising and other Services to you and to optimise all of them so that we can make them the best they can be for you and all our players. This will include use and analysis of aggregated data to make sure that our games work properly on all devices and are as enjoyable as they can be for all our players."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]