The "iPhone"...
iPhone is a line of smartphones designed and marketed by Apple Inc. It runs Apple's iOS mobile operating system. The first generation iPhone was released on June 29, 2007; the most recent iPhones, the seventh-generation iPhone 5C and iPhone 5S, were introduced on September 10, 2013.
It had a multi touch functionality, full operating web browser any many other features that made first generation of iPhone, five years ahead of competitive products.
Since that day, around one year later, for every year, new iPhone have been showed.