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