Huh? Doesn't anyone sleep anymore? Most people who know, carry a spare charged phone battery.
Doesn’t eliminate the problem of which charger [cell phone, ipod, flashlight, electric screwdriver, kitchen mixer, radiocontrolled car, camera, Dremel tool...] to plug into what.
I’ll buy a battery powered car when the last drop of oil is squeezed out of the Continental Shelf and Alaska.
Most people who know, carry a spare charged phone battery.
Not folks that carry in iPhone, unless they also carry a putty knife.