Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
these terms of service ( `` terms '' ) apply to your access and use of the fitbit service , which is provided to you by fitbit , inc. ( `` fitbit '' ) . 

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