This document discusses the history and success of the iPhone from its launch in 2007 to 2014. It outlines key iPhone models and launch dates. It also discusses Apple's growth in market share from 1.1% in 2008 to 11.9% in 2014, showing the success of the iPhone. The document also references the product life cycle stages and uses the BCG growth-share matrix to analyze where different iPhone models fall in terms of market share and growth.