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