Steve Jobs had unveiled the iPhone onstage in January 2007, but the phone he displayed wasn’t anywhere near finished. His presentation followed a carefully scripted series of steps that had been programmed to work just for the demo. It took six more months for Apple to finish the phone—and to bring it to market on June 29
The 4 people Steve Jobs handpicked to review the iPhone reflect 10 years later David Pogue
Source: Yahoo