Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we may use user material for our internal business purposes , for example , to examine trends or categories or to promote , market or advertise headspace . 

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