Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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headspace may transfer its rights and obligations under these terms to any company , firm or person at any time if it does not materially affect your rights under it . 

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