Apple Inc. (NASDAQ:AAPL) reportedly plans to overhaul the Siri virtual assistant, enabling users to control individual app functions using voice commands. What Happened: The new system will allow Siri to take command of all the features within apps for the first time, reported Bloomberg columnist Mark Gurman, citing people with knowledge of the matter. This significant change required a revamp of Siri’s underlying software using large language models, a core technology behind generative AI. The AI overhaul will be a key feature of Apple’s renewed push into AI, which will be unveiled at the Wor…