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