[{'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: Blogs, Forums, and Surveys If you choose to post information on blogs or forums on the Comcast Web Services, it will not be private. Once the information is posted, other users may copy or store it. Comcast may provide you the opportunity to participate in surveys on the Comcast Web Services. Please visit the full Privacy Policy for more information."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]