This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Square, a mobile payment start-up, has responded to allegations from a ...

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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Square Inc.’s mobile card reader is available at more than 20,000 retail locations nationwide, including Walgreen Co., Staples Inc. and FedEx Office stores, the company announced June 4. Some 7,000 ...