Apple has finally made its big move in the artificial intelligence (AI) tech race, unveiling a long-awaited reinvention of its Siri voice assistant.Introduced on Monday at Apple’s annual Worldwide Developers Conference (WWDC) in Cupertino, California, the new Siri AI abandons stiff, preprogrammed responses in favour of fluid conversations powered by Google’s Gemini model.The upgrade transforms Siri into an integrated companion capable of managing tasks across apps and maintaining continuous...