Geekbench: Apple should warn iPhone users about battery and performance tradeoffs

After Geekbench’s John Poole published a data-driven report this week linking diminished iPhone processing performance to battery age and iOS updates, a new wrinkle emerged in a long-standing debate over whether Apple was deliberately slowing down old iPhones. What if Apple programmed iPhones to slow down as battery power waned, knowing battery degradation was inevitable after a year or two of normal use? Confronted with the Geekbench report, Apple admitted as much yesterday. Now, Poo