[{'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: Last Updated 2014-09 top Learn more about BBM on BlackBerry smartphones Privacy Policy The BBM app is available to download for free, however data charges may apply for downloading. If you use the BBM service without a Wi-Fi network connection, a data plan is required and additional charges may apply. Please check with your service provider for availability, costs and restrictions. BBM is available for compatible BlackBerry and Android smartphones as well as Windows Phone, iPhone, iPad and iPod touch."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]