Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
background communication with other user devices may happen depending on the application you use . 

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