Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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fitbit and its affiliates are referred to as `` fitbit , '' `` we , '' `` us , '' or `` our '' in these terms . 

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