Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
fitbit may , in its sole discretion , alter , remove , or refuse to display any of your content , and may forbid you from posting , uploading , storing , sharing , sending , or displaying your content to and via the fitbit service . 

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