Elon Musk Buy Twitter: In one of the world’s biggest deals in the tech world, Elon Musk has taken control of Twitter. Elon Musk struck a deal Monday to buy Twitter for $44 billion. After deal Musk has said he wants to reform what he sees as the platform's over-zealous content moderation. He says I hope that even my worst critics remain on Twitter, because that is what free speech means.