Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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16.2 the parties acknowledge that apple has no obligation to furnish any maintenance or support services with respect to the digital product . 

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