[{'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: We may also use your contact details to send you general updates regarding our news, special offers and promotions with your prior consent. You may at all times opt-out of receiving these updates by emailing us at officialwifimasterkey@gmail.com or by following the steps to unsubscribe more fully described in any relevant email you receive from us."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_1stParty.'}]