A YEAR AGO, when Apple used a jamboree at its house in Silicon Valley to unveil its artificial-intelligence (AI) technique, grandly generally known as Apple Intelligence, it was a banner event. The next day the agency’s worth soared by greater than $200bn—one of many greatest single-day leaps of any firm in American historical past. The joy was fuelled by hopes that generative AI would allow Apple to remodel the iPhone right into a digital assistant—in impact, Siri with a mind—serving to to resuscitate flagging telephone gross sales. Twelve months later, that pleasure has was virtually existential dread.