[{'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: You understand and agree that if you use the Comcast Web Services after the effective date of the updated Privacy Policy, Comcast will consider your use as acceptance of the updated Privacy Policy."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]