A little while back, my colleague Mitchell Clark and I challenged each other to use our old iPhones for the weekend — mine was an original iPhone SE, and they had an iPhone 5S. I bailed a few hours in after my wireless connection flaked out, and I watched the phone battery drop 10 percent in a matter of minutes. (Mitchell saw the challenge through.)
But it wasn’t a totally futile exercise. When I looked back at the photos I took during those few fleeting hours, I noticed something I…
