Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
we may accept various forms of payment , including credit and debit cards , and payments made through paypal and facebook payments . 

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