The first iPhone was the disruptive product. Everything after that has been incrementalism. The 2013 iPhone 5 is a direct descendent of the 2007 iPhone 5, and

The first iPhone was the disruptive product. Everything after that has been incrementalism. The 2013 iPhone 5 is a direct descendent of the 2007 iPhone 5, and the 2007 iPhone 5 was almost a completely different product than my 2006 Treo 700w.