A worker watches as boxed merchandise moves along a conveyor belt to a waiting truck for delivery at the Amazon.com Phoenix Fulfillment Center in Goodyear, Arizona, U.S., on Monday, Nov. 16, 2009. Seattle-based Amazon.com, which started as a book seller, has expanded to products such as food and motor parts as it tries to become a general merchandiser. Photographer: Joshua Lott/Bloomberg via Getty Images