Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
( d ) tamper with the products or circumvent any technology used by headspace or its licensors to protect any content accessible through the products ; 

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