This check-in payment service, a process Dorsey compares to creating a running tab at a bar, launched with 50 coffee shops and other stores in New York, Los Angeles, San Francisco, Washington and St.

CNN: Square seeks to replace cash register with revamped app

McDermott paid his bar and kitchen tab, which consisted of two hot dogs and a Coke, a kitchen receipt shows.

CNN: A celebrity breakup, then a fishy disappearance

The detailed terms and conditions of Ooma's products, services, and support are fully set forth in the Terms and Conditions, available online under the "legal" tab on the bottom navigation bar of the Ooma Web site.

ENGADGET: Clean out those ears: Ooma's Telo goes high-definition, gets iPhone app

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FORBES: Contrarian Take Databank, economic numbers through an Austrian lens

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FORBES: Monetary Watch, Euro True Money Supply