Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you must not transmit or otherwise make available to others any worms or viruses or any code of a destructive nature through the services . 

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