Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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except as otherwise stated herein , these terms constitute the entire and exclusive understanding and agreement between fitbit and you regarding the fitbit service , and these terms supersede and replace any and all prior oral or written understandings or agreements between fitbit and you regarding the fitbit service and fitbit content . 

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