Elon Musk posted a claim on X about Jeff Bezos that he said he learned at Mar-a-Lago. Bezos responded, saying Musk's assertion was "100% not true."

Bezos’s companies do billions of dollars of business with the federal government. The rise of Musk, his long-time rival, could jeopardize that.

Elon Musk and Jeff Bezos — the two richest people on the planet — are squabbling over social media. No, really.