[{'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: Our Global Operations To bring you the Services, we operate globally. Twitter, Inc. complies with the EU-US Privacy Shield principles (the "Principles") regarding the collection, use, sharing, and retention of personal information from the European Union, as described in our Privacy Shield certification.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]