Mark Zuckerberg sat with a joint Senate committee of more than 40 senators on Tuesday in the first of two congressional hearings planned this week, called to answer for letting Cambridge Analytica make off with data on up to 87 million Facebook users. Cambridge Analytica is being investigated in the U.S. and U.K. for its role in the 2016 presidential election and the 2015 “Brexit” referendum, and has been accused of employing underhanded tactics to influence the outcomes. Now, Facebook is reworking its data-sharing policies with outside companies like Cambridge Analytica in ways that will impact the ad industry and app developers as a whole. Zuckerberg was on Capitol Hill to face some tough questions about the company’s practices, and what it’s doing to prevent future data leaks and protect user privacy. Continue reading at

Source: AdAge Digital 6 critical moments from Mark Zuckerberg's day in the Senate