UPS UPS

A Chicago man has been charged with mail fraud and mail theft after allegedly changing UPS's corporate mailing address to the address of his own apartment. Here, mail is sorted at Chicago's main post office in 2006. Scott Olson/Getty Images hide caption

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Scott Olson/Getty Images

Rewarding customers when they choose slower shipping options is one way online retailers are reacting to a recent decision by UPS to add a holiday surcharge during peak delivery days. David Goldman/AP hide caption

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David Goldman/AP

UPS employees cross the street shortly after a shooting at the company's facility in San Francisco. According to law enforcement, the suspect killed himself with a gunshot to the head. Adam Grossberg/KQED hide caption

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Adam Grossberg/KQED

UPS delivery man Vinny Ambrosino was dressed for the holiday season on Tuesday as he delivered packages in New York City. Not all the things ordered for Christmas got to their destinations on time. Carlo Allegri /Reuters/Landov hide caption

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Carlo Allegri /Reuters/Landov