Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
no class actions : you may only resolve disputes with fitbit on an individual basis , and may not bring a claim as a plaintiff or a class member in a class , consolidated , or representative action . 

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