https://www.reuters.com/article/us-facebook-zuckerberg/zuckerberg-says-facebook-would-defeat-break-up-effort-if-warren-elected-president-idUSKBN1WG42H >Facebook Inc Chief Executive Officer Mark Zuckerberg told employees in July he expected the company would face an effort to break up the world's largest social media company if Democrat Elizabeth Warren were elected president, according to audio of two internal company meetings from July published by The Verge.