| Some of Zuckerberg's previously unreported decisions demonstrate his relentless determination to ensure Facebook's dominance, even at the expense of his stated values, according to interviews with more than a dozen former employees. That ethos has come under fire in whistleblower complaints filed with the U.S. Securities and Exchange Commission by Frances Haugen. While it's unclear whether the SEC will pursue action against the CEO personally, the allegations by the former Facebook product manager represent arguably the most profound challenge to Zuckerberg's ironclad leadership of the most powerful social media company in the world. | 
