Last year, when Apple unveiled its iPhone and made it available in the U.S. exclusively from AT&T, the debut sent ripples throughout the cell phone industry. Handset maker Palm suffered as consumers swooned for Apple's phone, according to surveys by consultancy NPD. AT&T benefited by pulling subscribers from rival carriers Alltel and T-Mobile USA. Will Apple's new phone, the iPhone 3G, have a similar effect?

Apple's iPhone Takes a Toll