The Pepsi Refresh contest so far has awarded $20 million in grants for creative charitable ideas. Casey Rodgers/AP hide caption

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Antionette Levi solicits donations for the Salvation Army Dec. 21 in Chicago. As the season winds down, donations to Chicago-area kettles have been over 10 percent shy of those received last year, but the organization hopes to match last year's record total of $139 million. Scott Olson/Getty Images hide caption

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Lisa Tumbarello, a stylist trained by Stacy London from TLC's What Not to Wear, encourages customer Tom Spinelli to buy some ties at a Goodwill trunk show at Caramel, a boutique in Washington, D.C. Abby Verbosky/NPR hide caption

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