I’m confused. Does this thing make phone calls that much better than the previous version (or than any other version) that it is worth people spending that much money on it?
Making phone calls just barely the most popular single activity on a smart phone:
Not just for talking, smartphones are hubs
Of an average 114 minutes per day using a smart phone:
The 5S has a better camera, and better flash. The new CPU and graphics processor are each about twice as fast in the 5S, compared to the previous version.
If you are just using a smart phone for making phone calls, you are wasting your money.