[{'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: Adobe emails Emails we send you may include a technology (called a web beacon: http://www.adobe.com/privacy/cookies.html#web-beacons) that tells Adobe whether you have received or opened the email, or clicked a link in the email. If you do not want us to collect this information from Adobe marketing emails, you can opt out of receiving Adobe marketing emails (http://www.adobe.com/privacy/opt-out.html#1)."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]