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A customer using Safeway's personalized deals gets this loaf of bread for 99 cents instead of the original $4.29. Ashley Gross/KPLU hide caption

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Ashley Gross/KPLU

A barista processes a customer's payment using Square, a device that turns a mobile device into a card swiper. More businesses are using the devices to simplify credit card payments. Others are embracing technology that allows consumers to pay with their cellphones. Jeff Wheeler/MCT/Landov hide caption

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Jeff Wheeler/MCT/Landov

Sara Millan (left) thanks Neighborhood Assistance Corporation of America CEO Bruce Marks after NACA was able to reduce her family's mortgage during an event in Los Angeles in September 2010. Damian Dovarganes/AP hide caption

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Damian Dovarganes/AP

House Budget Committee Chairman Paul Ryan, R-Wis., shakes hands with Federal Reserve Chairman Ben Bernanke at the close of the committee's hearing on the state of the economy in February 2011. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Traders prepare for the start of early trading at the New York Stock Exchange. Some say there's been a loss of faith in the stock market's return on investment over the last 15 years. Bebeto Matthews/AP hide caption

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Bebeto Matthews/AP

Square allows merchants to accept payments automatically from recognized registered customers. Square screen grab hide caption

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Square screen grab

Members of the Dolan family walk home with bags of food from the Southern Tier Mobile Food Pantry in Oswego, N.Y., in June. Food banks across the nation are reporting giant spikes in demand. Spencer Platt/Getty Images hide caption

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Spencer Platt/Getty Images