The technological achievements of the recent past have already become the stuff of hagiography. After his death in 2011, Apple co-founder Steve Jobs attained a level of reverence usually reserved for the beatified. And like every saint, Jobs has his relics, including an Apple 1 assembled in his garage, which fetched nearly £450,000 at auction this May. But what if all our computers – and indeed every digital device – suddenly shuddered to a stop, plunging the world into a dark age? What would we make of the carcasses of our precious iPhones, iPads and iPods? Would they become sacred remnants or rubbish?