Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
crowdtangle and its licensors retain title to and ownership of all rights ( including copyright , trade-mark , patent , trade secret and all other intellectual property rights ) in and to the services and crowdtangle 's content . 

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