In 2009, when Square unveiled its original credit-card reader, one meaningful fact about it was the connector it used. The tiny white doohickey commandeered a smartphone’s headphone jack as means of ...

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.

About 95 percent of the coffee shops and stores I frequent in the Phoenix area use a Square reader or terminal to process payments, and virtually none of them support Apple Pay. That could soon change ...