One of the internet’s most popular payment services has finally gone mobile. PayPal launched its mobile payments service yesterday that lets businesses accept credit cards using a card reader attached to the iPhone.The service is called PayPal Here, and it will allow customers of a certain business to pay using credit cards, their PayPal accounts or checks in the U.S. The best feature about the service: You don’t need a PayPal account to use it. PayPal said that the service is currently only for the iPhone but will be coming to Android devices soon. The company will take a 2.7% cut for each transaction.