[{'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: Additional Options and Questions If you do not agree with this privacy policy, you may still use most of our website features and games without registering at all, or you have the option to register without sharing any personally identifiable information. If we do not have a valid email for you, however, it may limit or completely prevent us from providing fast or effective customer support. Without a valid email, you will also not be able to receive beta invites, promotions, discounts, update notices, and new release notices; you may opt out of emails at any time by following the instructions provided in each email."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]