Verizon Wireless today announced that its stores will now sell the Square Card Reader, which allows small business operators to accept credit or debit card payments with a smartphone or tablet. The ...

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A glimpse of what some say represents the future of payments has arrived, but thus far only in certain geographic areas. With the Card Case smartphone application from Square Inc., consumers pay ...

Opinions expressed by Entrepreneur contributors are their own. The mobile-transactions startup that inspired many entrepreneurs to ditch their credit card terminals is now looking to grab even more of ...