[{'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: 12. Security Comcast uses industry standard approaches to securely store, control access to, and make appropriate use of Your Data, and we require our contractors and other providers to do so as well. However, no security measure is completely effective and Comcast cannot guarantee the complete security of Your Data. If you don't want Comcast to know any particular information about you, you should not register to use the Comcast Web Services or include it in anything that you submit or post to Comcast, including posts on the Comcast Sites or emails to Comcast. More information on Internet security can be found here: https://constantguard.xfinity.com."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]