When the order number appears on a screen, the customer picks up his food at the other end of the counter.

WSJ: McDonald's Tackles Repair of 'Broken' Service

But while Apple slashed prices for several iPod models in September, analysts worry that Apple will have to cut margins further still to counter everything from cheap, new laptops offered by the likes of Dell to new media-friendly, touch-screen handsets being readied by Nokia.

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