Apple's job is to make the iPhone better so more people will buy them faster. Think of any potential changes through that lens.— Rene Ritchie (@reneritchie) July 1, 2016
This is why thinner is always important. This is why always improving the camera and material for durability is always important. Year over year enhancements might seem minor to someone who purchased the newest iPhone a year ago, but ultimately, the steady refinements on a single product is such a fascinating thing to watch. Next year marks the 10 year anniversary for the iPhone, and in those 10 years this product has become as flawless as we could imagine.