[{'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: Feedback: When you contact 360 with any feedback or for customer service or technical support by email or in any other manner, we may keep a record of your correspondence with us to help solve any issues you might be facing. If you decide to sign up to receive updates or information about our Software or services, or to receive any of our marketing materials, we may use your email address to send you updates, newsletters or marketing materials. You may unsubscribe to such communication at any time."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]