According to a report of Asymco, the iPhone, iPad and iPod touch collectively generated sales of about US$17.3 billion which accounts for 65% of Apple's overall sales in its latest reported quarter. Of the three iOS devices, the iPhone and iPad combined for $15 billion in revenue while the iPod generated $2.3 billion. This is an impressive, but not surprising, set of figures for a trio of devices that are less than four years old.
There is little doubt that the iPhone and iPad lead the pack in their respective categories. Looking back over the past year, both the iPad and iPhone 4 experienced shortages due to ov
