On Monday in Riyadh, at the Saudi-U.S. Investment Forum, Elon Musk announced during a fireside chat with the Kingdom’s minister of communications and information technology that Starlink, the satellite internet arm of his rocket company SpaceX, had clinched a deal with Saudi Arabia to offer service to the country’s maritime and aviation companies. It was the second Musk venture to do a deal with the Saudis in as many weeks. On April 29, X Corp., Musk’s social media company, raised $1.23 billion