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

itoggle caption Manish Swarup/AP

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

itoggle caption Screenshot from Electronic Smoke.

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

itoggle caption Mark Lennihan/AP

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

itoggle caption Paul Sakuma/AP

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

Stan Honda/AFP/Getty Images hide caption

itoggle caption Stan Honda/AFP/Getty Images

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

Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP