iphone

Perhaps you've heard: The iPhone went on sale Friday. Good luck getting your hands on one. Apple's chief Steve Jobs has managed to get everyone from gadget geeks to soccer moms talking about an expensive music phone with a big screen and no buttons. Apple's initial supply is sure to sell out immediately, and Jobs expects to sell 10 million iPhones worldwide by the end of next year.

If the iPhone is as good as it looks, and Apple's wireless bet pays off, the most direct winner will be AT&T, the phone's exclusive carrier, which stands to steal millions of customers from its rivals, like Verizon Wireless, Sprint Nextel and T-Mobile, a division of Deutsche Telekom.

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