A salesperson demonstrates the Apple iPhone 4 in New Delhi, India. While mobile device use is growing rapidly in emerging markets, Apple's current product line may prove prohibitively expensive for many consumers. Manish Swarup/AP hide caption

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The iPhone app Electronic Smoke simulates smoking by detecting sound waves. When you breathe into the microphone, the virtual cigarette burns. Screenshot from Electronic Smoke. hide caption

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The Lightning connector replaces Apple's 30-pin connector. Apple hide caption

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Tim Cook of Apple announces that Verizon Wireless will carry the iPhone in January 2011. Apple is expected to unveil its latest iPhone on Wednesday. Mark Lennihan/AP hide caption

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Customers talk with Apple employees, in blue, inside a San Francisco Apple store on Friday, the first day of the launch of the new iPad. Paul Sakuma/AP hide caption

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For real: Fisher-Price's Laugh & Learn Baby iCan Play Case protects an iPhone while baby plays with apps.

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Apple marketing executive Phil Schiller describes the new iPhone 4S's camera, which includes 1080p HD video, at Apple headquarters in Cupertino, Calif.

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