Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
when using the products , you agree to transact with us electronically , and that communication with us will be mainly electronic . 

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