These novel products are called mashups, a marriage of bits of two or more Web sites to create a third product: a directory of pizzerias on a neighborhood map, for example, to show where the nearest deep-dish resides.

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Square Register also helps businesses attract new customers with tools to create customized loyalty and rewards programs as well as showcase themselves in the Square directory.

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Download the WiFi Directory App, which uses an iPhone or iPad's current GPS location to create a list of nearby wi-fi hot spots.

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