First, he became its largest shareholder. Then he agreed to sit on its board, before quickly withdrawing. Now Elon Musk, the CEO and co-founder of both Tesla and SpaceX, is offering US$43 billion to buy Twitter. In what he called his "best and final offer," Musk proposed to buy Twitter at a premium, and take the company private. He also threatened to sell his existing 10 per … [Read more...]