I discovered this one day on the street as I attempted to hail an Uber on my old iPhone 3GS. They had stopped releasing new OSes for the 3GS some time ago. The

I discovered this one day on the street as I attempted to hail an Uber on my old iPhone 3GS. They had stopped releasing new OSes for the 3GS some time ago. The Uber app had been auto-upgraded and now simply announced that it refused to run on such an old OS. I was left standing there without transportation.