iphone 4g

Since debuting the product in 2007, Apple has released new versions of its signature smartphone to U.S. stores in June, with one exception (in 2008). Now, however, the iPhone 5 is set to go on sale in September, or even October. Investors should take great interest in what an autumn product launch might portend about Apple's underlying strategy.

AT&T will spread its 4G LTE network into a large number of U.S. cities this year, a move that puts it into direct competition with Sprint-Nextel's Wimax 4G product and LTE technology deployed by Verizon Wireless. But will its investment in faster wireless pay off?

If you ever doubted the marketing genius of Steve Jobs, the scene outside the Apple Store in Soho on the morning the iPhone 4 went on sale will change your mind. Watch our video.