Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
the `` fitbit service '' includes our devices including associated firmware , applications , software , websites , apis , products , and services . 

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