Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we both agree to arbitrate : you and fitbit agree to resolve any disputes through final and binding arbitration , except as set forth under exceptions to agreement to arbitrate below . 

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