
If you sell small goods without a virtual store or even a brick and mortar store, that is, if you own the adult version of an ice-cream truck, peddling goods across large expanses of cityscape, Square’s latest credit card reader will be a God-send and it’s now shipping to customers.Launched for iPhones and Android phones, it’s nothing but a plastic cube that latches on to your phone’s audio port and lets you swipe cards on the spot...