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 . 

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