Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
the notice to oculus must be sent by certified post addressed to : general counsel , oculus vr , llc , 1601 willow road , menlo park , ca 94025 , usa . 

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