Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you may not assign these terms or any of the rights granted hereunder without the prior written consent of oculus , and any attempted assignment without such consent shall be void . 

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