Eric GeierContributing Writer, PCWorld

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Eric Geier is a freelance tech writer as well as the founder of NoWiresSecurity, a cloud-based Wi-Fi security service, and On Spot Techs, an on-site computer services company.

VeriFone SAIL Review: Mobile Payment Processor Has Some Impressive Features

VeriFone, the newest contender in the mobile payment processing arena, offers a strong product.

PayAnywhere Review: A Feature-Rich Mobile Payment Processor

PayAnywhere is a good choice if you're looking for a simple processor or even a POS-like system that supports cash drawers and can print receipts.

Four Mobile Payment Systems Tested and Compared

Does your business accept payments by credit card? We evaluate four of today's best payment processing systems.