Square’s popular magnetic stripe card reader plugs into an iPhone headphone jack, giving small business owners who would otherwise go cash only the ability to accept debit and credit cards. But Apple ...

Square, the payments company that makes it easy for small businesses to accept credit card payments wherever you go, is finally catching up with the times today by updating its tiny card reader.

Mobile payments company Square is known for its signature glossy white credit card readers that plug into iPhones, iPads and Android devices. Credit cards in the U.S. will have embedded computer chips ...