When a gadget company sells its products for big bucks, it has every reason to refine its designs on an ongoing basis, making them ever more tempting to paying customers. But if the gizmo in question ...

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Learn what Square is, how it works, and its pricing. Explore features, fees, and tools for payments, POS, and online selling ...

We reported on the dongle-based audio signal credit card reader for iPhone and other connected mobile devices a short while ago, which has been pioneered by Twitter creator Jack Dorsey. Square uses a ...

Easy to setup with no startup costs. POS and merchant-services specific to business type, such as retailers. Free card reader. Cons Customers report holds on accounts and funds. Not cost-effective for ...