WASHINGTON — Billionaire SpaceX, Tesla, and X owner Elon Musk says he plans to sue Apple for not featuring X and its Grok artificial intelligence (AI) chatbot app in its top recommended apps in its AppWASHINGTON — Billionaire SpaceX, Tesla, and X owner Elon Musk says he plans to sue Apple for not featuring X and its Grok artificial intelligence (AI) chatbot app in its top recommended apps in its App