According to recent rumors, reports and speculation, Apple's next-generation smartphone will finally receive a bump in screen size. It seems like everyone is convinced that the next iPhone, expected to drop later this year, will be sporting an all-new 4-inch display.
But while we've heard a number of theories regarding how Apple could go about implementing such a change, we've yet to hear any explanations for why it would want to. Why would it all of a sudden want to change the iPhone's display size after 5 years?