It was kind of an awkward moment in Westerville, Ohio, though, where Senator Kamala Harris pivoted from tech monopolies to talking about her crusade to ban Trump from Twitter. (Facebook’s Mark Zuckerberg has also privately promised to fight attempts to break up Facebook.) Over email, she told me that recognizing Facebook has a monopoly doesn’t mean it should automatically be broken up. But he does see some merit in reversing previous mergers, like that of Facebook and WhatsApp. “The idea of reversing critical mergers of Facebook (WhatsApp and Instagram) makes some sense.