Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we make no warranty that the fitbit service or fitbit content will meet your requirements or be available on an uninterrupted , secure , or error-free basis . 

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