Mustafa Suleyman, chief executive officer of Microsoft AI, speaks during an event commemorating the 50th anniversary of the company at Microsoft headquarters in Redmond, Washington, on April 4, 2025. Microsoft Corp., determined to hold its ground in artificial intelligence, will soon let consumers tailor the Copilot digital assistant to their own needs.David Ryder | Bloomberg | Getty ImagesMicrosoft owns lots of Nvidia graphics processing units, but it isn't using them to develop state-of-the-ar...