First, the hardware. Square’s new Credit Card Reader is familiar, but refined. Although it’s larger than before, a 1” by 1” rounded square isn’t big by any means. The glossy white plastic box, flat on the back with a depressed square pattern on the front, is about as thick as an iPhone 5/5s, with a headphone plug extending out from the bottom, and a 3/4”-deep ridge running its entire length. The reader easily…
