Elon Musk, who’s suing Microsoft, is also software giant’s special guest in new Grok AI partnership

Elon Musk is in a legal fight with Microsoft but made a friendly virtual appearance at the software giant's annual technology showcase to reveal that his Grok artificial intelligence chatbot will now be hosted on Microsoft's data centers. "It's fantastic to have you at our developer conference," Microsoft CEO Satya Nadella said to Musk in a pre-recorded video conversation broadcast Monday at Microsoft's Build conference in Seattle. Musk last year sued Microsoft and its close business partner OpenAI in a dispute over Musk's foundational contributions to OpenAI, which Musk helped start. Musk now runs his own AI company, xAI, maker…