Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
to become a member you need to go to the relevant section of the products , then submit your email address to us , and create a username and password to be used in conjunction with that email address . 

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