Thursday, the Wikimedia Foundation announced QRPedia, a free QR code generator that would enable museums across the world to obtain QR codes to wikipedia pages to place next to works of art for visitors to find out more about a piece at the click of a button.

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Its A-minus rating just makes investment grade, but Aetna is a huge generator of free cash flow.

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Snap Payroll is a free app that calculates paychecks for new employees in minutes but also acts as a lead generator for the paid versions of Intuit Online Payroll.

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