Smart Phones, What Exactly Are They? What
Smart phones, what exactly are they? What differentiates smart phones from feature phones is their ability to do multitasking and run applications. First, there were PDAs (Personal Digital Assistant) which had functions like e-mail, web connectivity, to do list and few other computer-like functions while cell phones were used for calling and messaging mostly. A Smartphone is a combination of PDA and feature phone.
Changes over the past five years
Apple, to begin with, played an important role in bringing smart phones to the level where they were made available to mass consumers.