[{'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: Photo metadata. Photo metadata is usually technical data that is associated with the photos and videos. Photo metadata describes when, how, where, and by which device the photo was created. Photo metadata may also include data that helps us describe the rudimentary characteristics of photos, such as types of objects, surroundings and others present in the photos, in a manner that cannot be used to reconstruct the photos or uniquely identify any specific objects, individuals or surroundings."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]