Microsoft's Build 2025 conference is set to focus on AI announcements that will compete with Google's developments.The conference is being live-streamed online for free, with in-person attendance available at Seattle's conference center.There might be updates on Microsoft hosting Elon Musk's Grok AI model and potential appearances from OpenAI CEO Sam Altman.Microsoft CEO Satya Nadella will kick off the AI announcements, with sessions starting at 9AM PT / 12PM ET on May 19th.