[{'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: Some third parties\' embedded content or plugins on the Service, such as Facebook "Like" buttons, may allow their operators to learn that you have visited our website, and they may combine this information with other, identifiable information they have collected about your visits to other websites or online services. For more information with additional examples, see the "Social Media Features" section of our Cookie Information page.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]