When cashiers at the Groundswell cafe and restaurant use a little Square credit-card reader to process payments, they sometimes have to wrap the card in a bit of wax paper before swiping it. The tiny ...
Square has taken a further step into brick-and-mortar shops. The payments startup is selling an iPad stand, a cash drawer and a card-swiping dongle for a starting price of $299. With a printer added, ...
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