Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
vimeo may provide all such communications by email or by posting them on the vimeo service . 

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