Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we are not obligated to monitor access or use of the fitbit service , fitbit content , or your content or to review or edit any fitbit content or your content , but we have the right to do so for the purpose of operating the fitbit service , to ensure compliance with these terms , and to comply with applicable law or other legal requirements . 

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