Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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except as may be required to register and/or maintain your account , do not submit personally identifiable information ( e.g. first and last name together , password , phone number , address , credit or debit card number , medical information , e-mail address , or other contact information ) on the service . 

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. OPTIONS: ['Content removal' 'Unilateral termination' 'Choice of law' 'Jurisdiction'
 'Arbitration' 'Unilateral change' 'Contract by using'
 'Limitation of liability' 'None'].