Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
once you 've purchased content , we encourage you to download , install and/or access it promptly . 

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