The grueling recession that began in 2007 has upended American priorities, with frugality now considered a virtue for the first time in decades. Despite recent upticks in spending, retail sales remain lower than they were three years ago. Sales of homes, cars, and appliances have plunged. Shoppers have cut back on toilet paper and cigarettes, once thought recession-proof. Even porn sales are down. Thrift, it seems, has no boundaries. Yet Americans have clung dearly to a few surprising necessities, reflecting changes in American society that go far beyond penny-pinching. Food, clothing and shelter have long been the most obvious staples. Read the story here.