iPhones are mostly glass, due to the inexplicable decision to make the back out of glass - a material so fragile as to be a metaphor for fragility. Most phones

iPhones are mostly glass, due to the inexplicable decision to make the back out of glass - a material so fragile as to be a metaphor for fragility. Most phones only use glass for the screen. I always joke that the next iPhone will probably be made out of porcelain. I'm not even sure that would be worse.