[{'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: Newsletter When you elect to join our mailing list for the purpose of receiving our newsletter we may use that "personal information" to provide you with direct marketing communications about upcoming games, features of our websites and other events and promotions related to our products. You may unsubscribe from our newsletter at any time. All you need to do is unsubscribe from the link in the letter, or let us know in writing that you want to be removed.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]